| Abbots Langley School | primary | 56% | 59 | 10% | 14.9% | #10,199 | — |
| Abel Smith School | primary | 55% | 29 | 31% | 18.6% | #10,380 | — |
| Aboyne Lodge Junior Mixed and Infant School | primary | 66% | 29 | 24% | 15.1% | #6,481 | — |
| Alban City School | primary | 77% | 56 | 11% | 16.3% | #2,426 | — |
| Alban Wood Primary School and Nursery | primary | 74% | 31 | 16% | 19.7% | #3,336 | — |
| Albury Church of England Voluntary Aided Primary School | primary | 43% | 7 | 0% | 20% | — | Small cohort |
| Aldbury Church of England Primary and Nursery School | primary | 75% | 16 | 13% | 12.5% | #3,300 | — |
| All Saints Church of England Primary School and Nursery, Bishop's Stortford | primary | 61% | 31 | 13% | 23.1% | #8,494 | — |
| All Saints Church of England Voluntary Aided Primary School, Datchworth | primary | 67% | 21 | 0% | 23.3% | #5,935 | — |
| Almond Hill Junior School | primary | 70% | 89 | 20% | 19% | #5,059 | — |
| Andrews Lane Primary School | primary | 59% | 27 | Not in census file | Not in SEN file | #9,213 | — |
| Applecroft School | primary | 78% | 59 | 15% | 13% | #2,158 | — |
| Ardeley St Lawrence Church of England Voluntary Aided Primary School | primary | No data published. The DfE has not published this figure for this school. | 4 | 40.9% | 47.8% | — | Small cohort |
| Arnett Hills Junior Mixed and Infant School | primary | 81% | 32 | 3% | 17.2% | #1,427 | — |
| Ascot Road Primary School | primary | 75% | 59 | 29% | 15.1% | #3,041 | — |
| Ashfield Junior School | primary | 75% | 57 | 23% | 14.6% | #3,076 | — |
| Ashlyns School | secondary | 54 | 271 | 14% | 19.2% | #574 | — |
| Ashtree Primary Academy | primary | No data published. The DfE has not published this figure for this school. | 209 | 26.5% | 16.2% | — | Small cohort |
| Ashtree Primary School and Nursery | primary | 31% | 35 | Not in census file | Not in SEN file | #13,938 | — |
| Ashwell Primary School | primary | 74% | 27 | 11% | 14.8% | #3,329 | — |
| Aston St Mary's Church of England Aided Primary School | primary | 75% | 20 | 5% | 25.6% | #3,010 | — |
| Avanti Brook Primary School | primary | No data published. The DfE has not published this figure for this school. | 95 | 11.7% | 21.1% | — | Small cohort |
| Avanti Grange Secondary School | secondary | No data published. The DfE has not published this figure for this school. | 0 | 10% | 19.3% | — | Small cohort |
| Avanti Meadows Primary School | primary | 47% | 30 | 20% | 18.1% | #12,312 | — |
| Aycliffe Drive Primary School | primary | 51% | 43 | 28% | 16.6% | #11,478 | — |
| Barclay Academy | secondary | 48 | 171 | 22.2% | 20% | #1,305 | — |
| Barnwell School | secondary | 38.7 | 248 | 26.6% | 22.6% | #2,826 | — |
| Bayford Church of England Voluntary Controlled Primary School | primary | 23% | 13 | 31% | 24.1% | #14,170 | — |
| Beaumont School | secondary | 63 | 209 | 6.7% | 16% | #188 | — |
| Bedmond Academy | primary | 33% | 15 | 20% | 35% | #13,819 | — |
| Bedwell Primary School | primary | 55% | 42 | 33% | 34.2% | #10,489 | — |
| Beech Hyde Primary School and Nursery | primary | 50% | 28 | 50% | 29.2% | #11,593 | — |
| Beechfield School | primary | 72% | 60 | 35% | 19.1% | #4,317 | — |
| Belswains Primary School | primary | 62% | 29 | 34% | 13% | #8,079 | — |
| Bengeo Primary School | primary | 61% | 57 | 16% | 23.6% | #8,432 | — |
| Benington Church of England Primary School | primary | 82% | 17 | 6% | 25.6% | #1,373 | — |
| Bernards Heath Junior School | primary | 78% | 90 | 12% | 13% | #2,175 | — |
| Birchwood Avenue Primary School | primary | 38% | 29 | 28% | 31.2% | #13,494 | — |
| Birchwood High School | secondary | 45.5 | 265 | 18.5% | 15.8% | #1,749 | — |
| Bishop Wood Church of England Junior School, Tring | primary | 68% | 60 | 18% | 18.9% | #5,553 | — |
| Bishop's Hatfield Girls' School | secondary | 54.5 | 154 | 13% | 12.4% | #535 | — |
| Bonneygrove Primary School | primary | 60% | 60 | 28% | 13.5% | #8,767 | — |
| Bournehall Primary School | primary | 77% | 30 | 30% | 11.7% | #2,618 | — |
| Bovingdon Primary Academy | primary | 92% | 49 | 22% | 10.3% | #224 | — |
| Bowmansgreen Primary School | primary | 41% | 39 | 36% | 21.6% | #13,190 | — |
| Boxmoor Primary School | primary | 67% | 30 | 17% | 10.7% | #5,962 | — |
| Breachwood Green Junior Mixed and Infant School | primary | 57% | 7 | 29% | 22.6% | — | Small cohort |
| Bridgewater Primary School | primary | 75% | 60 | 12% | 11.2% | #3,176 | — |
| Broadfield Academy | primary | 53% | 59 | 32% | 27.1% | #11,123 | — |
| Brockswood Primary School | primary | 87% | 30 | 47% | 21.4% | #581 | — |
| Bromet Primary School | primary | 85% | 40 | 8% | 13.7% | #805 | — |
| Brookland Junior School | primary | 71% | 85 | 31% | 21.4% | #4,728 | — |
| Brookmans Park Primary School | primary | 77% | 48 | 10% | 13% | #2,471 | — |
| Broom Barns Primary School | primary | 41% | 29 | 62% | 34.2% | #13,163 | — |
| Broxbourne CofE Primary School | primary | 83% | 30 | 10% | 14.8% | #1,159 | — |
| Burleigh Primary School | primary | 61% | 57 | 28% | 23.2% | #8,432 | — |
| Bushey Heath Primary School | primary | 83% | 30 | 13% | 16.1% | #1,006 | — |
| Bushey Manor Junior School | primary | 68% | 60 | 12% | 20.4% | #5,685 | — |
| Bushey Meads School | secondary | 42.5 | 187 | 25.1% | 24.3% | #2,257 | — |
| Camp Primary and Nursery School | primary | 71% | 28 | 7% | 17.6% | #4,509 | — |
| Camps Hill Primary School | primary | 50% | 58 | 38% | 30.5% | #11,679 | — |
| Cassiobury Junior School | primary | 77% | 91 | 5% | 16.2% | #2,525 | — |
| Central Primary School | primary | 69% | 48 | 17% | 19.6% | #5,427 | — |
| Chambersbury Primary School | primary | 41% | 29 | 31% | 26.6% | #13,213 | — |
| Chancellor's School | secondary | 51 | 202 | 17.8% | 18.5% | #865 | — |
| Chater Junior School | primary | 63% | 60 | 23% | 17.3% | #7,813 | — |
| Cherry Tree Primary School | primary | 48% | 58 | 26% | 20.4% | #12,035 | — |
| Chorleywood Primary School | primary | 80% | 30 | 3% | 8.7% | #1,594 | — |
| Christ Church Chorleywood CofE School | primary | 80% | 30 | 3% | 14.8% | #1,624 | — |
| Christ Church CofE (VA) Primary School and Nursery | primary | 54% | 39 | 15% | 15.6% | #10,728 | — |
| Churchfield Church of England Academy | primary | 55% | 31 | 29% | 10.9% | #10,524 | — |
| Clore Shalom School | primary | 68% | 25 | 4% | 17.2% | #5,745 | — |
| Coates Way JMI and Nursery School | primary | 47% | 30 | 30% | 21.5% | #12,312 | — |
| Cockernhoe Endowed CofE Primary School | primary | 67% | 9 | 22% | 39.7% | — | Small cohort |
| Codicote Church of England Primary School | primary | 69% | 55 | 20% | 7.6% | #5,259 | — |
| Colney Heath Junior Mixed Infant and Nursery School | primary | 78% | 27 | 19% | 19.9% | #2,196 | — |
| Commonswood Primary & Nursery School | primary | 65% | 51 | 18% | 21% | #6,840 | — |
| Countess Anne Church of England School | primary | 64% | 28 | 36% | 16.7% | #7,448 | — |
| Cowley Hill School | primary | 75% | 57 | 30% | 20.2% | #3,140 | — |
| Crabtree Junior School | primary | 86% | 65 | 2% | 18.8% | #680 | — |
| Cranborne Primary School | primary | 87% | 60 | 5% | 20% | #631 | — |
| Creswick Academy | primary | 40% | 58 | 31% | 19.7% | #13,308 | — |
| Croxley Danes School | secondary | 51.6 | 175 | 16% | 15.2% | #782 | — |
| Cuffley School | primary | 83% | 60 | 13% | 11.4% | #1,131 | — |
| Cunningham Hill Junior School | primary | 87% | 60 | 17% | 22.4% | #539 | — |
| Dame Alice Owen's School | secondary | 73.6 | 197 | 8.1% | 13.3% | #78 | — |
| De Havilland Primary School | primary | 61% | 59 | 37% | 24.5% | #8,420 | — |
| Dewhurst St Mary CofE Primary School | primary | 47% | 30 | 37% | 18.4% | #12,368 | — |
| Divine Saviour Roman Catholic Primary School | primary | 59% | 32 | 9% | 14% | #9,097 | — |
| Downfield Primary School | primary | 22% | 54 | 39% | 37.9% | #14,183 | — |
| Dundale Primary School and Nursery | primary | 52% | 31 | 39% | 26.3% | #11,397 | — |
| Eastbury Farm Primary School | primary | 70% | 43 | 7% | 10.4% | #4,788 | — |
| Edwinstree Church of England Middle School | primary | 43% | 120 | 15% | 31.3% | #12,961 | — |
| Elstree Screen Arts Academy | secondary | 33.2 | 96 | 30.2% | 14.1% | #3,189 | — |
| Essendon CofE (VC) Primary School | primary | 17% | 12 | 17% | 18.2% | #14,241 | — |
| Fair Field Junior School | primary | 73% | 56 | 20% | 18.9% | #3,944 | — |
| Fairfields Primary School and Nursery | primary | 68% | 60 | 15% | 12.4% | #5,890 | — |
| Fairlands Primary School | primary | 57% | 90 | 39% | 34.3% | #9,737 | — |
| Fearnhill School | secondary | 37.5 | 97 | 47.4% | 26.1% | #2,958 | — |
| Featherstone Wood Primary School | primary | 64% | 22 | 41% | 30.2% | #7,448 | — |
| Field Junior School | primary | 85% | 60 | 28% | 14.4% | #817 | — |
| Flamstead End School | primary | 72% | 58 | 26% | 17.3% | #4,032 | — |
| Flamstead Village School | primary | 63% | 16 | 25% | 22.2% | #7,951 | — |
| Fleetville Junior School | primary | 78% | 90 | 6% | 17.6% | #2,124 | — |
| Forres Primary Academy | primary | 54% | 54 | 33% | 30.7% | #10,749 | — |
| Four Swannes Primary School | primary | 55% | 22 | 41% | 20.3% | #10,489 | — |
| Freman College | secondary | 51.8 | 254 | 13.4% | 15.6% | #768 | — |
| Furneux Pelham Church of England School | primary | 42% | 12 | 8% | 16.8% | #13,105 | — |
| Future Academies Watford | secondary | 42.6 | 195 | 36.9% | 14.8% | #2,244 | — |
| Gaddesden Row JMI School | primary | No data published. The DfE has not published this figure for this school. | 5 | 30.6% | 24.5% | — | Small cohort |
| Gade Valley Primary School | primary | 62% | 29 | 10% | 11.4% | #8,155 | — |
| Galley Hill Primary School and Nursery | primary | 51% | 57 | 35% | 24.7% | #11,490 | — |
| Garden City Academy | primary | 61% | 23 | 39% | 28.9% | #8,432 | — |
| Garden Fields Junior Mixed and Infant School | primary | 69% | 86 | 15% | 23.2% | #5,259 | — |
| George Street Primary School | primary | 75% | 28 | 18% | 21.4% | #3,273 | — |
| Giles Junior School | primary | 52% | 75 | 28% | 38.1% | #11,339 | — |
| Goffs - Churchgate Academy | secondary | 44.2 | 117 | 28.2% | 33.9% | #1,969 | — |
| Goffs Academy | secondary | 50.6 | 239 | 16.3% | 12.4% | #911 | — |
| Goffs Oak Primary & Nursery School | primary | 50% | 30 | 13% | 13.6% | #11,772 | — |
| Gracewood Academy | secondary | No data published. The DfE has not published this figure for this school. | 420 | 29% | 17.6% | — | Small cohort |
| Graveley Primary School | primary | 38% | 8 | 13% | 42.9% | — | Small cohort |
| Great Gaddesden Church of England Primary School | primary | 83% | 6 | 67% | 18.7% | — | Small cohort |
| Green Lanes Primary School | primary | 64% | 61 | 16% | 18.1% | #7,353 | — |
| Greenfields Primary School | primary | 67% | 30 | 23% | 21.3% | #6,188 | — |
| Greenway Primary and Nursery School | primary | 79% | 29 | 10% | 16.5% | #2,004 | — |
| Grove Road Primary School | primary | 70% | 60 | 17% | 11.3% | #5,030 | — |
| Haileybury Turnford | secondary | 46.2 | 149 | 29.5% | 17.2% | #1,599 | — |
| Hammond Academy | primary | 67% | 51 | 27% | 25.4% | #6,391 | — |
| Harpenden Academy | primary | 81% | 32 | 6% | 12.5% | #1,441 | — |
| Hartsbourne Primary School | primary | 73% | 30 | 13% | 16.9% | #3,710 | — |
| Hartsfield Junior Mixed and Infant School | primary | 64% | 58 | 10% | 10.5% | #7,239 | — |
| Harvey Road Primary School | primary | 87% | 31 | 3% | 17.1% | #547 | — |
| Harwood Hill Junior Mixed Infant and Nursery School | primary | 55% | 22 | 27% | 15.6% | #10,587 | — |
| Hatfield Community Free School | primary | 57% | 60 | 28% | 19.5% | #9,719 | — |
| Hertford Heath Primary and Nursery School | primary | 36% | 22 | 18% | 10.1% | #13,628 | — |
| Hertford St Andrew CofE Primary School | primary | No data published. The DfE has not published this figure for this school. | 5 | 47.3% | 41% | — | Small cohort |
| Hertingfordbury Cowper Primary School | primary | 76% | 29 | 3% | 10.9% | #2,722 | — |
| Hertsmere Jewish Primary School | primary | 80% | 49 | 8% | 7.6% | #1,691 | — |
| Hertswood Academy | secondary | 35.4 | 181 | 32% | 14% | #3,098 | — |
| High Beeches Primary School | primary | 80% | 60 | 7% | 11.7% | #1,695 | — |
| High Leigh Primary School | primary | 48% | 25 | 44% | 22.3% | #12,059 | — |
| High Wych Church of England Primary School | primary | 63% | 32 | 19% | 14.3% | #7,672 | — |
| Highover Junior Mixed and Infant School | primary | 68% | 59 | 14% | 21.2% | #5,578 | — |
| Highwood Primary School | primary | 41% | 59 | 22% | 15.7% | #13,175 | — |
| Hillmead Primary School | primary | 77% | 30 | 10% | 16.6% | #2,367 | — |
| Hitchin Boys' School | secondary | 56.8 | 210 | 11% | 20.7% | #380 | — |
| Hitchin Girls' School | secondary | 61.8 | 208 | 8.7% | 12.6% | #217 | — |
| Hobbs Hill Wood Primary School | primary | 72% | 60 | 17% | 18.4% | #4,227 | — |
| Hobletts Manor Junior School | primary | 78% | 60 | 30% | 23.2% | #2,271 | — |
| Hockerill Anglo-European College | secondary | 62.3 | 156 | 9% | 23.2% | #205 | — |
| Holdbrook Primary School and Nursery | primary | 52% | 21 | 57% | 15.2% | #11,226 | — |
| Hollybush Primary School | primary | 32% | 25 | 36% | 28.9% | #13,885 | — |
| Holtsmere End Junior School | primary | 53% | 58 | 34% | 28.7% | #10,913 | — |
| Holwell Primary School | primary | 77% | 56 | 34% | 18.1% | #2,565 | — |
| Holy Rood Catholic Primary School | primary | 84% | 64 | 5% | 8.4% | #947 | — |
| Holy Trinity Church of England Primary School | primary | 69% | 26 | 23% | 21.8% | #5,219 | — |
| Holywell Primary School | primary | 33% | 30 | Not in census file | Not in SEN file | #13,819 | — |
| Homerswood Primary and Nursery School | primary | 62% | 29 | 34% | 17.9% | #8,079 | — |
| How Wood Primary and Nursery School | primary | 62% | 26 | 15% | 17.2% | #8,226 | — |
| Howe Dell Primary School | primary | 69% | 59 | 24% | 13.3% | #5,287 | — |
| Hunsdon Junior Mixed and Infant School | primary | 73% | 15 | 40% | 18.3% | #3,868 | — |
| Hurst Drive Primary School | primary | 63% | 46 | 41% | 14.3% | #7,847 | — |
| Ickleford Primary School | primary | 67% | 30 | 33% | 11.8% | #5,937 | — |
| John F Kennedy Catholic School | secondary | 51.9 | 178 | 14% | 15.4% | #748 | — |
| Jupiter Primary School | primary | 61% | 57 | 28% | 21.2% | #8,406 | — |
| Katherine Warington School | secondary | 50.6 | 175 | 16% | 19.4% | #910 | — |
| Kenilworth Primary School | primary | 37% | 30 | 37% | 24.8% | #13,585 | — |
| Killigrew Primary and Nursery School | primary | 78% | 60 | 10% | 10.7% | #2,158 | — |
| Kimpton Primary School | primary | 50% | 26 | 8% | 12.8% | #11,617 | — |
| King James Academy Royston | all-through | 40.5 | 98 | 21.4% | 15.5% | #2,578 | — |
| Kings Langley Primary School | primary | 65% | 60 | 17% | 12.8% | #6,873 | — |
| Kings Langley School | secondary | 46.9 | 177 | 15.3% | 20.3% | #1,494 | — |
| Kingsway Junior School | primary | 80% | 60 | 33% | 33.6% | #1,695 | — |
| Knebworth Primary and Nursery School | primary | 64% | 47 | 17% | 12% | #7,185 | — |
| Knutsford Primary Academy | primary | 72% | 60 | 8% | 9.8% | #4,227 | — |
| Ladbrooke Junior Mixed and Infant School | primary | 70% | 30 | 27% | 15.9% | #5,125 | — |
| Lanchester Primary School | primary | 73% | 59 | 20% | 15.4% | #3,680 | — |
| Larkspur Academy | primary | 82% | 11 | 45% | 37.5% | #1,356 | — |
| Laurance Haines School | primary | 70% | 60 | 20% | 19% | #4,973 | — |
| Laureate Academy | secondary | 42.7 | 161 | 32.9% | 21.6% | #2,231 | — |
| Leavesden JMI School | primary | 40% | 60 | 28% | 20.1% | #13,308 | — |
| Leventhorpe | secondary | 47.1 | 234 | 15.8% | 19.6% | #1,458 | — |
| Leverstock Green Church of England Primary School | primary | 80% | 30 | 10% | 15.3% | #1,836 | — |
| Lime Walk Primary School | primary | 39% | 28 | 32% | 13.7% | #13,400 | — |
| Little Gaddesden Church of England Voluntary Aided Primary School | primary | 79% | 14 | 14% | 11% | #2,037 | — |
| Little Green Junior School | primary | 71% | 91 | 4% | 19.3% | #4,541 | — |
| Little Hadham Primary School | primary | 82% | 22 | 32% | 14.6% | #1,256 | — |
| Little Heath Primary School | primary | 63% | 30 | 20% | 13.8% | #7,718 | — |
| Little Munden Church of England Voluntary Controlled Primary School | primary | 56% | 9 | 33% | 20.5% | — | Small cohort |
| Little Reddings Primary School | primary | 43% | 53 | 38% | 19.8% | #12,897 | — |
| Lodge Farm Primary School | primary | 37% | 60 | 28% | 19.7% | #13,585 | — |
| London Colney Primary & Nursery School | primary | 85% | 26 | 38% | 19.2% | #868 | — |
| Long Marston VA Church of England Primary and Nursery School | primary | 36% | 22 | 14% | 20% | #13,655 | — |
| Longdean School | secondary | 43.7 | 238 | 24.8% | 30.4% | #2,060 | — |
| Longlands Primary School and Nursery | primary | 38% | 29 | 52% | 16.6% | #13,466 | — |
| Longmeadow Primary School | primary | 32% | 22 | 32% | 30.4% | #13,881 | — |
| Lordship Farm Primary School | primary | 64% | 58 | 5% | 17.2% | #7,427 | — |
| Loreto College | secondary | 56.2 | 159 | 20.1% | 19.6% | #426 | — |
| Mandeville Primary School | primary | 77% | 31 | 13% | 13.9% | #2,644 | — |
| Mandeville Primary School | primary | 75% | 60 | 30% | 27.6% | #3,041 | — |
| Manland Primary School | primary | 91% | 32 | 0% | 8.4% | #249 | — |
| Manor Fields Primary School | primary | 80% | 60 | 10% | 10.9% | #1,695 | — |
| Maple Cross Junior Mixed Infant and Nursery School | primary | 61% | 18 | 11% | 16.8% | #8,494 | — |
| Maple Grove Primary School | primary | 36% | 28 | 36% | 25.2% | #13,655 | — |
| Maple Primary School | primary | 93% | 28 | 4% | 17.7% | #165 | — |
| Margaret Wix Primary School | primary | 61% | 23 | 48% | 33.6% | #8,382 | — |
| Markyate Village School and Nursery | primary | 73% | 22 | 18% | 15.2% | #3,625 | — |
| Marriotts School | secondary | 41.8 | 237 | 35.9% | 25.3% | #2,397 | — |
| Martins Wood Primary School | primary | 65% | 68 | 25% | 11.7% | #6,950 | — |
| Mary Exton Primary School | primary | 40% | 30 | 13% | 26% | #13,266 | — |
| Meryfield Primary School | primary | 58% | 48 | 42% | 22% | #9,422 | — |
| Micklem Primary School | primary | 52% | 31 | 45% | 23.8% | #11,397 | — |
| Mill Mead Primary School | primary | 84% | 32 | Not in census file | Not in SEN file | #914 | — |
| Millbrook School | primary | 60% | 10 | 20% | 23.1% | — | Small cohort |
| Monk's Walk School | secondary | 47.9 | 230 | 18.3% | 18.7% | #1,328 | — |
| Monksmead School | primary | 48% | 27 | 26% | 23.5% | #12,170 | — |
| Morgans Primary School & Nursery | primary | 58% | 43 | 23% | 14.1% | #9,613 | — |
| Moss Bury Primary School and Nursery | primary | 69% | 45 | 31% | 28.3% | #5,392 | — |
| Mount Grace School | secondary | 43.2 | 70 | Not in census file | Not in SEN file | #2,154 | — |
| Mount Pleasant Lane Primary School | primary | 53% | 36 | 14% | 23.5% | #10,932 | — |
| Nascot Wood Junior School | primary | 88% | 60 | 13% | 13.4% | #467 | — |
| Nash Mills Church of England Primary School | primary | 67% | 30 | 13% | 18.3% | #6,391 | — |
| Newberries Primary School | primary | 67% | 30 | 7% | 17% | #5,936 | — |
| Nicholas Breakspear Catholic School | secondary | 55 | 179 | 11.7% | 17.7% | #491 | — |
| Northaw Church of England Primary School | primary | 44% | 16 | 13% | 14.9% | #12,748 | — |
| Northgate Primary School | primary | 82% | 60 | 12% | 15.4% | #1,306 | — |
| Norton St Nicholas CofE (VA) Primary School | primary | 77% | 30 | 17% | 17.2% | #2,618 | — |
| Oak View Primary and Nursery School | primary | 70% | 54 | 44% | 16% | #5,059 | — |
| Oaklands Primary School | primary | 60% | 25 | 12% | 20.5% | #8,749 | — |
| Oakleaf Primary | primary | 24% | 33 | 52% | 28.9% | #14,156 | — |
| Oakmere Primary School | primary | 52% | 48 | 60% | 22.6% | #11,273 | — |
| Oakview Primary School | primary | No data published. The DfE has not published this figure for this school. | 188 | 45.3% | 25.5% | — | Small cohort |
| Oakwood Primary School | primary | 74% | 47 | 4% | 14.2% | #3,429 | — |
| Offley Endowed Primary School and Nursery | primary | 80% | 25 | 32% | 21.4% | #1,744 | — |
| Onslow St Audrey's School | secondary | 36.1 | 141 | 31.9% | 19.2% | #3,067 | — |
| Oughton Primary and Nursery School | primary | 48% | 29 | 52% | 36.9% | #12,123 | — |
| Our Lady Catholic Primary School | primary | 70% | 30 | 23% | 11.8% | #4,780 | — |
| Our Lady Catholic Primary School | primary | 57% | 30 | 17% | 16.1% | #9,757 | — |
| Oxhey Wood Primary School | primary | 75% | 57 | 42% | 19.9% | #3,076 | — |
| Panshanger Primary School | primary | 80% | 30 | 10% | 14.6% | #1,760 | — |
| Park Street Church of England Voluntary Aided Primary School | primary | 67% | 18 | 17% | 26.1% | #6,391 | — |
| Parkgate Junior School | primary | 58% | 60 | 12% | 18.2% | #9,369 | — |
| Parkside Community Primary School | primary | 59% | 39 | 28% | 16.9% | #9,235 | — |
| Parmiter's School | secondary | 65 | 206 | 8.7% | 11.7% | #158 | — |
| Peartree Primary School | primary | 75% | 25 | 48% | 22.8% | #3,041 | — |
| Peartree Spring Primary School | primary | 68% | 88 | 33% | 21.3% | #5,777 | — |
| Pirton School | primary | 65% | 20 | 20% | 27.9% | #6,873 | — |
| Pixies Hill Primary School | primary | 66% | 29 | 10% | 19.6% | #6,551 | — |
| Pixmore Junior School | primary | 30% | 60 | 28% | 19.9% | #13,978 | — |
| Ponsbourne St Mary's Church of England Primary School | primary | 83% | 12 | 8% | 20.9% | #1,218 | — |
| Pope Paul Catholic Primary School | primary | 80% | 30 | Not in census file | Not in SEN file | #1,602 | — |
| Potten End CofE Primary School | primary | 59% | 27 | 26% | 20.4% | #9,124 | — |
| Prae Wood Primary School | primary | 87% | 60 | 0% | 24.6% | #575 | — |
| Presdales School | secondary | 58.7 | 175 | 7.4% | 9.8% | #307 | — |
| Preston Primary School | primary | 27% | 11 | 9% | 21.7% | #14,082 | — |
| Priors Wood Primary School | primary | 48% | 25 | 32% | 25.1% | #12,170 | — |
| Puller Memorial, Church of England, Voluntary Aided Primary School | primary | 56% | 9 | 22% | 28.9% | — | Small cohort |
| Purwell Primary School | primary | 57% | 30 | 33% | 24.1% | #9,963 | — |
| Queens' School | secondary | 56.2 | 268 | 11.9% | 19.3% | #421 | — |
| Ralph Sadleir School | primary | 40% | 68 | 29% | 17.7% | #13,307 | — |
| Redbourn Primary School | primary | 67% | 49 | 14% | 15.7% | #6,095 | — |
| Reedings Junior School | primary | 77% | 60 | 7% | 15.6% | #2,367 | — |
| Richard Hale School | secondary | 54 | 176 | 8% | 13.3% | #575 | — |
| Richard Whittington Primary School | primary | 80% | 45 | 24% | 14.6% | #1,620 | — |
| Rickmansworth Park Junior Mixed and Infant School | primary | 93% | 30 | 3% | 14.9% | #157 | — |
| Rickmansworth School | secondary | 63.7 | 269 | 9.3% | 12.9% | #176 | — |
| Ridgeway Academy | secondary | 37.4 | 150 | 26.7% | 23.2% | #2,966 | — |
| Robert Barclay Academy | secondary | 45.6 | 137 | 21.2% | 21.9% | #1,736 | — |
| Roebuck Academy | primary | 50% | 58 | 29% | 22.4% | #11,642 | — |
| Roselands Primary School | primary | 50% | 44 | 20% | 13.7% | #11,727 | — |
| Round Diamond Primary School | primary | 79% | 57 | 21% | 12.4% | #1,905 | — |
| Roundwood Park School | secondary | 59.1 | 189 | 6.9% | 6.5% | #294 | — |
| Roundwood Primary School | primary | 69% | 45 | 13% | 11.9% | #5,343 | — |
| Sacred Heart Catholic Primary School | primary | 68% | 22 | 27% | 13.4% | #5,718 | — |
| Sacred Heart Catholic Primary School and Nursery | primary | 77% | 44 | 7% | 12.4% | #2,458 | — |
| Saffron Green Primary School | primary | 36% | 28 | 32% | 18.6% | #13,655 | — |
| Saint Albert the Great Catholic Primary School, a Voluntary Academy | primary | 50% | 30 | 13% | 19.1% | #11,679 | — |
| Saint Bernadette Voluntary Catholic Primary Academy | primary | 83% | 30 | 10% | 13.1% | #1,131 | — |
| Saint Joan of Arc Catholic School | secondary | 50.6 | 205 | 14.6% | 9.7% | #914 | — |
| Saint Michael's Catholic High School | secondary | 48.8 | 180 | 18.3% | 14.8% | #1,184 | — |
| Saint Vincent de Paul Catholic Primary School | primary | 73% | 60 | Not in census file | Not in SEN file | #3,710 | — |
| Samuel Lucas Junior Mixed and Infant School | primary | 75% | 59 | 2% | 13.4% | #2,991 | — |
| Samuel Ryder Academy | all-through | 52.4 | 188 | 23.4% | 16.1% | #711 | — |
| Sandon Junior Mixed and Infant School | primary | 57% | 7 | 29% | 31.8% | — | Small cohort |
| Sandridge School | primary | 53% | 30 | 23% | 26.2% | #10,889 | — |
| Sandringham School | secondary | 65.7 | 243 | 8.6% | 9.3% | #143 | — |
| Sarratt Church of England Primary School | primary | 76% | 25 | 12% | 12.9% | #2,741 | — |
| Sauncey Wood Primary School | primary | 59% | 29 | 34% | 34.7% | #9,124 | — |
| Shenley Primary School | primary | 31% | 29 | 24% | 21.9% | #13,952 | — |
| Shephalbury Park Primary School | primary | 32% | 25 | 20% | 29.4% | #13,896 | — |
| Shepherd Primary | primary | 37% | 27 | 41% | 17.3% | #13,572 | — |
| Sheredes Primary School | primary | 78% | 60 | 15% | 18% | #2,158 | — |
| Simon Balle All-Through School | all-through | 52.9 | 169 | 13% | 16.6% | #664 | — |
| Sir John Lawes School | secondary | 63.9 | 192 | 9.4% | 15.1% | #173 | — |
| Skyswood Primary & Nursery School | primary | 87% | 30 | 0% | 7.9% | #534 | — |
| South Hill Primary School | primary | 53% | 59 | 29% | 18% | #10,913 | — |
| Spellbrook CofE Primary School | primary | 53% | 15 | 27% | 25.8% | #10,882 | — |
| Springmead Primary School | primary | 52% | 44 | 23% | 17.3% | #11,208 | — |
| St Adrian Roman Catholic Primary School | primary | 80% | 30 | 10% | 10.3% | #1,848 | — |
| St Alban & St Stephen Catholic Primary School & Nursery | primary | 78% | 60 | Not in census file | Not in SEN file | #2,175 | — |
| St Albans Girls' School | secondary | 60.7 | 232 | 12.1% | 14% | #245 | — |
| St Andrew's CE Primary School and Nursery | primary | 70% | 30 | 33% | 8% | #4,973 | — |
| St Andrew's Church of England Voluntary Aided Primary School, Hitchin | primary | 68% | 31 | 13% | 11.9% | #5,902 | — |
| St Andrew's Church of England Voluntary Controlled Primary School | primary | 57% | 23 | 30% | 22.2% | #9,684 | — |
| St Anthony's Catholic Primary School | primary | 61% | 64 | 14% | 18.3% | #8,382 | — |
| St Augustine's Catholic Primary School | primary | 87% | 30 | 3% | 12.2% | #552 | — |
| St Bartholomew's Church of England Voluntary Aided Primary School, Wigginton | primary | 60% | 15 | 7% | 16.2% | #8,667 | — |
| St Catherine of Siena Catholic Primary School | primary | 71% | 34 | 6% | 22% | #4,702 | — |
| St Catherine's Church of England Primary School | primary | 56% | 27 | 37% | 17.1% | #10,076 | — |
| St Catherine's Hoddesdon CofE Primary School | primary | 30% | 50 | 40% | 18.8% | #13,991 | — |
| St Clement Danes School | secondary | 64 | 239 | 6.7% | 14.6% | #171 | — |
| St Cross Catholic Primary School | primary | 45% | 29 | 10% | 15.4% | #12,674 | — |
| St Cuthbert Mayne Voluntary Catholic Junior Academy | primary | 65% | 60 | 10% | 15.3% | #6,819 | — |
| St Dominic Catholic Primary School | primary | 81% | 31 | Not in census file | Not in SEN file | #1,420 | — |
| St George's School | secondary | 65.6 | 191 | 3.7% | 7.4% | #145 | — |
| St Giles' CofE Primary School | primary | 40% | 15 | 33% | 16.9% | #13,308 | — |
| St Helen's Church of England Primary School | primary | 71% | 28 | 7% | 16.8% | #4,509 | — |
| St Ippolyts Church of England Aided Primary School | primary | 75% | 32 | 9% | 13.7% | #3,091 | — |
| St John Catholic Primary School | primary | 50% | 20 | 25% | 26.1% | #11,628 | — |
| St John Fisher Catholic Primary School, a Voluntary Academy | primary | 68% | 31 | 10% | 10.5% | #5,613 | — |
| St John Roman Catholic Primary School | primary | 61% | 18 | 6% | 16.1% | #8,613 | — |
| St John the Baptist Voluntary Aided Church of England Primary School | primary | 61% | 28 | 11% | 19.3% | #8,542 | — |
| St John's CofE Primary School | primary | 73% | 30 | 13% | 15.6% | #3,609 | — |
| St John's Voluntary Aided Church of England Primary School, Lemsford | primary | 62% | 13 | 15% | 21.5% | #8,121 | — |
| St Joseph Catholic Primary School | primary | 68% | 28 | 25% | 37.2% | #5,777 | — |
| St Joseph's Catholic Primary School (Hertford) | primary | 46% | 28 | 7% | 10.7% | #12,443 | — |
| St Joseph's Catholic Primary School (Wx) | primary | 62% | 29 | 14% | 15.4% | #8,243 | — |
| St Joseph's Catholic Primary School B/S | primary | 66% | 62 | 8% | 12.4% | #6,498 | — |
| St Margaret Clitherow Roman Catholic Primary School | primary | 72% | 29 | 10% | 10.7% | #4,060 | — |
| St Mary Roman Catholic Primary School | primary | 69% | 29 | 21% | 15.4% | #5,236 | — |
| St Mary's Catholic School | secondary | 56.8 | 208 | 10.6% | 9.4% | #381 | — |
| St Mary's Church of England High School (VA) | secondary | 42.8 | 159 | 36.5% | 16.3% | #2,211 | — |
| St Mary's Church of England VA Primary School, Welham Green | primary | 50% | 24 | 42% | 12.4% | #11,808 | — |
| St Mary's CofE Primary School, Northchurch | primary | 53% | 30 | 10% | 20.4% | #10,913 | — |
| St Mary's Junior Mixed School | primary | 35% | 60 | 27% | 28.8% | #13,730 | — |
| St Mary's Rickmansworth CofE Primary School | primary | 56% | 25 | 12% | 18.1% | #10,122 | — |
| St Mary's Voluntary Controlled Church of England Junior School | primary | 65% | 60 | 20% | 18.6% | #7,078 | — |
| St Meryl School | primary | 57% | 30 | 20% | 11.4% | #9,684 | — |
| St Michael's Church of England Primary School | primary | 68% | 31 | 13% | 13.8% | #5,799 | — |
| St Michael's Church of England Voluntary Aided Primary School, St Albans | primary | 81% | 31 | 19% | 13.4% | #1,471 | — |
| St Michael's Woolmer Green CofE VA Primary School | primary | 82% | 22 | 9% | 23.7% | #1,356 | — |
| St Nicholas CofE (VA) Primary School and Nursery | primary | 31% | 29 | 24% | 25.8% | #13,952 | — |
| St Nicholas CofE VA Primary School | primary | 91% | 22 | 5% | 6.7% | #276 | — |
| St Nicholas Elstree Church of England VA Primary School | primary | No data published. The DfE has not published this figure for this school. | 5 | 20.5% | 24.4% | — | Small cohort |
| St Paul's Catholic Primary School | primary | 64% | 29 | Not in census file | Not in SEN file | #7,297 | — |
| St Paul's Church of England Primary School, Langleybury | primary | 86% | 28 | 11% | 9.3% | #692 | — |
| St Paul's Church of England Voluntary Aided Primary School, Chipperfield | primary | 62% | 29 | 7% | 10.2% | #8,243 | — |
| St Paul's Walden Primary School | primary | 71% | 7 | 0% | 29.7% | — | Small cohort |
| St Peter's Church of England Voluntary Aided Primary School | primary | 79% | 29 | 14% | 18.5% | #1,870 | — |
| St Peter's School | primary | 73% | 30 | 10% | 14.6% | #3,710 | — |
| St Philip Howard Catholic Primary School | primary | 42% | 60 | 27% | 21.7% | #13,088 | — |
| St Teresa Catholic Primary School | primary | 63% | 30 | 13% | 15.3% | #7,718 | — |
| St Thomas More Roman Catholic Primary School | primary | 62% | 29 | 0% | 9.5% | #8,155 | — |
| St Thomas More Roman Catholic Primary School, a Voluntary Academy | primary | 58% | 26 | 19% | 16% | #9,369 | — |
| St Thomas of Canterbury Catholic Primary School | primary | 56% | 16 | 13% | 15.1% | #10,057 | — |
| Stanborough School | secondary | 49.3 | 208 | 13.5% | 17.6% | #1,081 | — |
| Stapleford Primary School | primary | No data published. The DfE has not published this figure for this school. | 4 | 9.2% | 20.7% | — | Small cohort |
| Stonehill School | primary | 68% | 31 | 61% | 18.2% | #5,867 | — |
| Summercroft Primary School | primary | 73% | 62 | 15% | 13.3% | #3,680 | — |
| Summerswood Primary School | primary | 40% | 47 | 36% | 14.3% | #13,297 | — |
| Swallow Dell Primary and Nursery School | primary | 80% | 56 | 30% | 22.5% | #1,718 | — |
| Tanners Wood Junior Mixed and Infant School | primary | 47% | 57 | 39% | 18.4% | #12,305 | — |
| Templewood Primary School | primary | 60% | 30 | 13% | 20.5% | #8,882 | — |
| Tewin Cowper Church of England Voluntary Aided Primary School | primary | 35% | 20 | 25% | 15.6% | #13,712 | — |
| The Abbey Church of England Voluntary Aided Primary School, St Albans | primary | 87% | 30 | 7% | 6.4% | #581 | — |
| The Adeyfield Academy | secondary | 38.7 | 138 | 36.2% | 23.8% | #2,828 | — |
| The Astley Cooper School | secondary | 33.5 | 169 | 37.3% | 32.8% | #3,178 | — |
| The Bishop's Stortford High School | secondary | 58.8 | 168 | 8.3% | 11.4% | #303 | — |
| The Broxbourne School | secondary | 53.5 | 213 | 13.1% | 10.5% | #606 | — |
| The Chauncy School | secondary | 49.4 | 257 | 22.6% | 18.7% | #1,079 | — |
| The Cranbourne Primary School | primary | 68% | 60 | 8% | 19.8% | #5,578 | — |
| The Grange Academy | primary | 64% | 53 | 32% | 25.5% | #7,158 | — |
| The Grange Academy | secondary | 48.2 | 157 | 29.3% | 15.2% | #1,275 | — |
| The Grove Academy | primary | 64% | 70 | 36% | 17.7% | #7,448 | — |
| The Grove Junior School | primary | 82% | 88 | 9% | 20% | #1,275 | — |
| The Hemel Hempstead School | secondary | 47.3 | 214 | 14.5% | 20.1% | #1,422 | — |
| The Hertfordshire & Essex High School and Science College | secondary | 62 | 189 | 4.8% | 9.3% | #214 | — |
| The Highfield School | secondary | 42 | 162 | 27.2% | 28.8% | #2,352 | — |
| The Holy Family Catholic Primary School | primary | 50% | 30 | Not in census file | Not in SEN file | #11,808 | — |
| The John Warner School | secondary | 40.1 | 147 | 18.4% | 18% | #2,631 | — |
| The Knights Templar School | secondary | 48.3 | 201 | 22.4% | 19.7% | #1,263 | — |
| The Lea Primary School and Nursery | primary | 70% | 30 | 17% | 13% | #4,973 | — |
| The Leys Primary and Nursery School | primary | 58% | 53 | 28% | 26.9% | #9,356 | — |
| The Marlborough Science Academy | secondary | 42.6 | 186 | 22.6% | 18.9% | #2,253 | — |
| The Nobel School | secondary | 49 | 239 | 18.8% | 23.3% | #1,143 | — |
| The Orchard Primary School | primary | 70% | 60 | 30% | 16.4% | #4,780 | — |
| The Priory School | secondary | 46.5 | 198 | 25.8% | 23.7% | #1,557 | — |
| The Reach Free School | secondary | 44.7 | 114 | 19.3% | 25.7% | #1,896 | — |
| The Reddings Primary School | primary | 57% | 30 | 33% | 36.6% | #9,963 | — |
| The Russell School | primary | 86% | 29 | 7% | 10.1% | #664 | — |
| The Ryde School | primary | 69% | 29 | 24% | 10% | #5,392 | — |
| The Saint John Henry Newman Catholic School | secondary | 55.7 | 234 | 11.1% | 14.8% | #452 | — |
| The Sele School | secondary | 35.1 | 75 | 28% | 32.4% | #3,117 | — |
| The Thomas Alleyne Academy | secondary | 44.9 | 170 | 15.3% | 22.1% | #1,864 | — |
| The Thomas Coram Church of England School | primary | 68% | 80 | 10% | 29.8% | #5,799 | — |
| The Wroxham School | primary | 77% | 30 | 20% | 13.3% | #2,471 | — |
| Thorley Hill Primary School | primary | 87% | 31 | 13% | 20.2% | #564 | — |
| Thorn Grove Primary School | primary | 60% | 30 | 13% | 14.4% | #8,698 | — |
| Thundridge Church of England Primary School | primary | No data published. The DfE has not published this figure for this school. | 4 | 13.6% | 23.1% | — | Small cohort |
| Townsend Church of England School | secondary | 43.9 | 131 | 31.3% | 18.1% | #2,028 | — |
| Tring School | secondary | 51.4 | 241 | 9.5% | 19.8% | #804 | — |
| Trotts Hill Primary and Nursery School | primary | 74% | 27 | 11% | 25% | #3,339 | — |
| Tudor Primary School | primary | 62% | 60 | 25% | 23.2% | #8,056 | — |
| Two Waters Primary School | primary | 81% | 31 | 10% | 7.6% | #1,441 | — |
| Verulam School | secondary | 54.4 | 173 | 14.5% | 17.9% | #541 | — |
| Walkern Primary School | primary | 79% | 14 | 36% | 19.5% | #1,947 | — |
| Warren Dell Primary School | primary | 73% | 33 | 42% | 21.6% | #3,599 | — |
| Watchlytes Primary School | primary | 76% | 25 | 40% | 19% | #2,945 | — |
| Waterside Academy | primary | 64% | 28 | 43% | 32.5% | #7,297 | — |
| Watford Grammar School for Boys | secondary | 66.3 | 224 | 4.5% | 10.6% | #133 | — |
| Watford Grammar School for Girls | secondary | 65.5 | 211 | 10.4% | 5.3% | #146 | — |
| Watford St John's Church of England Primary School | primary | 67% | 60 | 15% | 14.5% | #6,008 | — |
| Watton-at-Stone Primary and Nursery School | primary | 73% | 22 | 9% | 23% | #3,818 | — |
| Welwyn St Mary's Church of England Voluntary Aided Primary School | primary | 76% | 59 | 10% | 19.8% | #2,952 | — |
| Westfield Academy | secondary | 45.5 | 243 | 25.1% | 12.7% | #1,744 | — |
| Westfield Primary School | primary | 30% | 23 | 52% | 31.4% | #13,979 | — |
| Weston Primary & Nursery School | primary | 50% | 12 | 25% | 19.2% | #11,808 | — |
| Wheatcroft Primary School | primary | 51% | 35 | 14% | 14.4% | #11,471 | — |
| Wheatfields Junior Mixed School | primary | 87% | 90 | 8% | 10.9% | #549 | — |
| Whitehill Junior School | primary | 72% | 60 | 20% | 12% | #4,090 | — |
| Widford School | primary | 63% | 8 | 38% | 10.8% | — | Small cohort |
| Wilbury Junior School | primary | 63% | 59 | 41% | 29.8% | #7,718 | — |
| William Ransom Primary School | primary | 78% | 60 | 10% | 16% | #2,291 | — |
| Wilshere-Dacre Junior Academy | primary | 70% | 89 | 20% | 22.7% | #5,017 | — |
| Windermere Primary School | primary | 48% | 27 | 30% | 18.7% | #12,070 | — |
| Windhill21 | primary | 70% | 60 | 18% | 10.2% | #4,772 | — |
| Wood End School | primary | 80% | 60 | 5% | 6.6% | #1,594 | — |
| Woodhall Primary School | primary | 39% | 18 | 39% | 38.2% | #13,400 | — |
| Woodlands Primary School | primary | 66% | 29 | 48% | 23.9% | #6,470 | — |
| Woodside Primary School | primary | 76% | 29 | 17% | 17.9% | #2,735 | — |
| Woolenwick Junior School | primary | 62% | 60 | 25% | 24.5% | #8,121 | — |
| Wormley CofE Primary School | primary | 72% | 60 | 25% | 33.4% | #4,118 | — |
| Wymondley Junior Mixed and Infant School | primary | 71% | 14 | 7% | 12.8% | #4,593 | — |
| Yavneh College | secondary | 59.5 | 177 | 9% | 16.5% | #279 | — |
| Yavneh Primary School | primary | 78% | 60 | 3% | 17.7% | #2,217 | — |
| Yewtree Primary School | primary | 17% | 52 | 35% | 21.8% | #14,244 | — |
| Yorke Mead Primary School | primary | 73% | 60 | 15% | 18.4% | #3,778 | — |