GCSE 2025/26
#2,623 of 3,312
Worse than 79% of schools in England
Ranked by Attainment 8 score, state-funded mainstream schools.
A-level 2024/25
#2,155 of 2,536
Worse than 84% of schools in England
Ranked by average points per A-level entry.
Ofsted four-point inspection gradesInspected 11 Oct 2022
Source: Get Information about Schools, URN 150656.
GCSE and equivalent results at the end of year 11. Attainment 8 averages results across 8 subjects.
| Measure | This school | Hertfordshire | England |
|---|---|---|---|
| Attainment 8 scoreResults across 8 subjects, English and maths count twice. 50 is about a grade 5 average. | 40.1, worse than England, worse than Hertfordshire | 50.4 | 46.2 |
| Grade 4 or above in English and mathsGrade 4 is a standard pass. | 60.5%, worse than England, worse than Hertfordshire | 71.3% | 64.8% |
| Grade 5 or above in English and mathsGrade 5 is a strong pass. | 34.7%, worse than England, worse than Hertfordshire | 53.6% | 46.3% |
| Grade 7 or above in English and mathsGrade 7 is roughly an old A grade. | 6.1%, worse than England, worse than Hertfordshire | 18.8% | 14.2% |
| 5 or more GCSEs at grade 9-4, including English and maths | 47.6%, worse than England, worse than Hertfordshire | 67.2% | 60.2% |
| Pupils at the end of key stage 4 | 147 | - | - |
Source: DfE, Key stage 4 performance, Academic year 2025/26, published 15 Oct 2026.
Results for students at the end of 16 to 18 study.
| Measure | This school | Hertfordshire | England |
|---|---|---|---|
| Average points per A-level entryA* is 60, A is 50, B is 40, C is 30, D is 20, E is 10. | 26.88, worse than England, worse than Hertfordshire | 36.82 | 35 |
| Average A-level grade | C- | - | - |
| Average points, best three A-levels | 27.94, worse than England, worse than Hertfordshire | 37.4 | 35.78 |
| Average grade, best three A-levels | C- | - | - |
| AAB or better | 0%, worse than England, worse than Hertfordshire | 19% | 17.5% |
| A-level progress scoreCompared with students with similar GCSE results. 0 is average. | 0.11, similar to England | - | - |
| A-level progress | Average, similar to England | - | - |
| Students at the end of 16 to 18 study | 58 | - | - |
| Average applied general gradeVocational qualifications, such as BTECs. | Merit | - | - |
Source: DfE, 16 to 19 performance, Academic year 2024/25, published 23 Apr 2026.
Pupils at the January school census.
| Measure | This school |
|---|---|
| Total pupils | 726 |
| Girls | 342 |
| Boys | 384 |
| Eligible for free school mealsPupils from low-income families who can get free school meals. | 18.3% |
| First language not English | 10.1% |
| School places2024/25Capacity, not including nursery. | 1,430 |
| Unfilled placesShare of school places not taken. | 49.2% |
| Sixth form places2024/25 | 280 |
| SEN supportPupils with special educational needs who get extra help at school. | 109 |
| EHC planEducation, health and care plan: a legal plan for pupils with more complex needs. | 22 |
| Average class size | 19.6 |
Source: DfE, Schools, pupils and their characteristics and School capacity, Academic year 2025/26, published 04 Jun 2026.
Share of pupils in each ethnic group, as recorded at the January school census.
Source: DfE, Schools, pupils and their characteristics, Academic year 2025/26, published 04 Jun 2026.
Staff numbers are full-time equivalent (FTE). Teacher turnover shows where the school's teachers were by the following year's census.
| Measure | This school |
|---|---|
| Pupils per teacher | 14.9 |
| Pupils per adultAdults include teaching assistants. | 11.1 |
| Teachers (FTE) | 48.57 |
| Teaching assistants (FTE) | 7.36 |
| Support staff (FTE) | 26.54 |
| Teachers in census year (FTE)2024/25 | 57.5 |
| Teachers who stayed (FTE)2024/25 | 44.2 |
| Teachers who moved to another state school (FTE)2024/25 | 8.6 |
| Teachers who left state schools (FTE)2024/25 | 4.7 |
Source: DfE, School workforce in England, Reporting year 2025, published 04 Jun 2026.
Applications and offers for the main entry points. Offers from oversubscribed schools depend on each school's admissions criteria; check the local authority admissions page.
| Measure | This school |
|---|---|
| Offers made (Year 7)Places offered on national offer day. | 102 |
| Applications (Year 7)Includes every preference parents listed. | 179 |
| First preference applications (Year 7)Families who put this school as their first choice. | 59 |
| First preference offers (Year 7)First-choice applicants who were offered a place. | 59 |
| Applications from another local authority (Year 7) | 13 |
Source: DfE, Primary and secondary school applications and offers, Academic year 2026/27, published 18 Jun 2026.
Share of possible sessions missed.
| Measure | This school | Hertfordshire | England |
|---|---|---|---|
| Overall absence | 10.2%, worse than England, worse than Hertfordshire | 7.4% | 8% |
| Persistent absencePupils missing 10% or more of sessions. | 28.7%, worse than England, worse than Hertfordshire | 18.5% | 21.6% |
| Severe absencePupils missing 50% or more of sessions. | 5.1%, worse than England, worse than Hertfordshire | 2.9% | 3.6% |
Source: DfE, Pupil absence in schools in England, Autumn and spring term 2025/26, published 15 Oct 2026.
Suspension rate is the number of suspensions per 100 pupils, so one pupil can be counted more than once. A permanently excluded pupil is removed from the school roll.
| Measure | This school |
|---|---|
| Suspension rate | 29.4% |
| Pupils with one or more suspensions | 9.4% |
| Permanent exclusion rate | 0% |
| Permanent exclusions | 0 |
Source: DfE, Suspensions and permanent exclusions in England, Academic year 2024/25, published 09 Jul 2026.
Ratings include official Ofsted judgements and Area360 summaries of inspection grades. Open a school’s profile for its inspection grades and results.
| Distance | Phase | Name | Type | Rating | Links |
|---|---|---|---|---|---|
| 0.2 mi | Primary | The Cranbourne Primary School | Academy converter | Good Ofsted rating. Inspected 5 Feb 2020. | |
| 0.3 mi | Primary | Forres Primary Academy | Academy sponsor led | Requires improvement Ofsted rating. Inspected 4 Oct 2022. | |
| 0.4 mi | Nursery | Rye Park Nursery School | Local authority nursery school | Outstanding Ofsted rating. Inspected 5 Dec 2012. | |
| 0.7 mi | Primary | Roselands Primary School | Academy converter | Good Ofsted rating. Inspected 27 Feb 2014. | |
| 0.9 mi | Primary | St Catherine's Hoddesdon CofE Primary School | Voluntary controlled school | Good Ofsted rating. Inspected 21 Feb 2023. | |
| 1.1 mi | Primary | St Andrew's Church of England Voluntary Controlled Primary School | Voluntary controlled school | Good Ofsted rating. Inspected 12 Nov 2014. | |
| 1.2 mi | Primary | High Leigh Primary School | Community school | Requires improvement Area360 rating. Inspected 3 Dec 2024. | |
| 1.2 mi | Primary | St Augustine's Catholic Primary School | Academy converter | Good Ofsted rating. Inspected 16 Oct 2014. | |
| 1.2 mi | Primary | St John the Baptist Voluntary Aided Church of England Primary School | Voluntary aided school | Good Area360 rating. Inspected 17 Dec 2024. | |
| 1.4 mi | Not applicable | Haileybury College | Other independent school | Unrated Unrated. |
The John Warner School is rated Inadequate by Ofsted, last inspected on 11 Oct 2022.
The John Warner School ranks 2,623 of 3,312 schools in England for GCSE 2025/26 (worse than 79% of schools) and 2,155 of 2,536 schools in England for A-level 2024/25 (worse than 84% of schools).
In 2025/26, 34.7% of pupils at The John Warner School got grade 5 or above in English and maths (England 46.3%). The Attainment 8 score was 40.1 (England 46.2).
In 2024/25, the average A-level grade at The John Warner School was C-, and 0% of students got AAB or better (England 17.5%).
For Year 7 entry in 2026/27, The John Warner School made 102 offers from 179 applications (1.8 per offer), and 59 of 59 first-preference applicants got a place. Applications include every preference parents listed.
The John Warner School has 726 pupils aged 11 to 18.
The John Warner School had 1,430 school places in 2024/25.
Yes, The John Warner School has a sixth form with 280 places in 2024/25.
At The John Warner School, the average class had 19.6 pupils in 2025/26, and there were 14.9 pupils per teacher.
In 2025/26, pupils at The John Warner School missed 10.2% of sessions (England 8%), and 28.7% were persistently absent, missing 10% or more of sessions (England 21.6%).
Figures are the latest published by the Department for Education for each measure. Small numbers are suppressed by the publisher to protect pupils' privacy. Read how Area360 school ratings and rankings work.