SCHOOL PROFILE

The John Warner School

Secondary Academy converter URN 150656
Open
Pupils 8,834,192 Latest school census
Capacity 1,192 Published school capacity
Capacity used 60.9% Pupils as a share of capacity
Age range 11 – 18 Statutory age range
OFSTED

Latest graded inspection

11 October 2022
Latest published outcome Inadequate
OEIF
Quality of education Requires improvement
Behaviour & attitudes Inadequate
Personal development Inadequate
Leadership & management Inadequate
SCHOOL DETAILS

About this school

School type Academy converter
Phase Secondary
Gender Mixed
Religious character —
Local authority Hertfordshire
Trust DANES EDUCATIONAL TRUST
Census date 15 January 2026
PUPIL PROFILE

School community

Latest published pupil characteristics for 2025/26.

2025/26
Total pupils 726 726 full-time · 0 part-time
Female pupils 342 47.1% of pupils
Male pupils 384 52.9% of pupils

Free school meals

Pupils eligible for free school meals.

18.3%
6.5 pts below England
School 18.3%
Broxbourne 21.3%
East of England 19.7%
England 24.8%

English as an additional language

Pupils whose first language is not English.

10.1%
10.2 pts below England
School 10.1%
Broxbourne 22.9%
East of England 16.4%
England 20.3%

Young carers

Pupils recorded as young carers.

1.8%
0.8 pts above England
School 1.8%
Broxbourne 1.0%
East of England 1.7%
England 1.0%

Ethnicity

Largest recorded pupil groups.

White British
76.6%
556
Any other White background
7.0%
51
Unclassified
4.7%
34
Any other Mixed background
4.3%
31
African
2.3%
17
White and Black Caribbean
1.2%
9
Council, regional and national comparisons are pupil-weighted using published school census counts.
ADDITIONAL NEEDS

Special educational needs

Pupils receiving SEN support or with an education, health and care plan.

2025/26
Pupils with SEN 18.0% 131 of 726 pupils
2.8 pts below England England: 20.8%
School 18.0%
Broxbourne 18.7%
East of England 19.8%
England 20.8%
SEN support 15.0% 109 pupils
England 14.8% 0.2 pts above
EHC plans 3.0% 22 pupils
England 6.0% 3.0 pts below
PRIMARY NEEDS

Most common identified needs

Pupils
Social, emotional & mental health 43
Moderate learning difficulty 29
Specific learning difficulty 22
Autistic spectrum disorder 18
Speech, language & communication 14
Hearing impairment 2

SEN comparisons are pupil-weighted using published 2025/26 Department for Education school-level data. Primary needs combine pupils receiving SEN support and pupils with EHC plans.

ACADEMIC PERFORMANCE

Key stage 4 outcomes

Published Department for Education results for 2024/25.

2024/25
ATTAINMENT 8

Average attainment score

40.8 1.6 pts above England
School 40.8
Broxbourne 41.0
East of England 40.4
England 39.2
English & maths grade 5+ 32.5% England 36.0% 3.5 pts below England
English & maths grade 4+ 53.8% England 51.4% 2.4 pts above England
EBacc entry 13.7% England 30.6% 16.9 pts below England
EBacc average point score 3.43 England 3.41
Progress 8 Not available for 2024/25

Comparisons are averages of published school-level results for open schools. They are not pupil-weighted official local authority attainment rates.

ATTENDANCE & ABSENCE

Attendance profile

Published Department for Education absence data for 2024/25. Lower absence rates are generally better.

2024/25
ABSENCE RATE

Overall absence

11.55%

Percentage of possible sessions missed.

5.33 pts higher than England
School 11.55%
Broxbourne 6.58%
East of England 6.17%
England 6.22%
ABSENCE RATE

Persistent absence

35.74%

Pupils missing 10% or more of sessions.

19.93 pts higher than England
School 35.74%
Broxbourne 17.30%
East of England 15.39%
England 15.82%
ABSENCE RATE

Severe absence

3.88%

Pupils missing 50% or more of sessions.

2.08 pts higher than England
School 3.88%
Broxbourne 1.74%
East of England 1.83%
England 1.80%
Council, regional and national comparisons are averages of published school-level percentages rather than pupil-weighted official absence rates.
HOW DOES IT COMPARE?

School context

Comparison with open secondary schools.

CAPACITY

Capacity utilisation

60.9% 31.4 pts below England
The John Warner School
60.9%
Broxbourne
94.9%
East of England
92.9%
England
92.3%
Benchmarks use open schools in the same phase. Capacity utilisation is calculated from published pupil and capacity figures.
Sources: Department for Education · Get Information about Schools · Ofsted monthly management information