90%
GCSE 9–4 · 2024/25
83%
GCSE 5+ · 2024/25
68.9
Attainment 8 · 2024/25
96%
EBacc entry · 2024/25
1509.8
EBacc APS · 2024/25
1,610
Pupils · 2024/25
22%
EAL · 2024/25
21%
Persistent abs. · 2024/25
Ofsted inspection
Outstanding
Ofsted inspection · 13/10/2021
Inadequate
Requires improvement
Good
Outstanding
Local authorityHertfordshire
PhaseSecondary with sixth form with sixth form
School typeAcademy
Pupil : teacher ratio16.6:1
AdmissionsNon-selective
Religious characterChurch of England
StatusOpen
Overview of Watford Grammar School for Boys · Secondary with sixth form · Hertfordshire
How does this school perform?
Key Stage 4 · 2024/25 · trend since 2016/17
GCSE 9–4 incl. Eng & maths
90%
-1pp
96%93%89%
'19'22'23'24'25
'25 · 91%
GCSE 5+ incl. Eng & maths
83%
-1pp
91%87%83%
'19'22'23'24'25
'25 · 83%
Attainment 8
68.9
+2.4
69.968.166.3
'19'22'23'24'25
'25 · 68.9
EBacc entry
96%
0pp
99%97%96%
'19'22'23'24'25
'25 · 96%
EBacc APS
1509.8
+57.3
1532.51388.21243.9
'19'22'23'24'25
'25 · 1509.8
Sixth form
Key Stage 5 · 2024/25 · trend since 2016/17
A-level APS
39.6
-2.4
43.241.439.6
'19'22'23'24'25
'25 · 39.6
A-level value added
-0.05
-0.2
+0.10.0-0.1
'17'18'19'24'25
'25 · -0.1
AAB+ in facilitating subjects
26%
-13pp
40%33%27%
'19'22'23'24'25
'25 · 27%
Average A-level grade
B
0
B+B+B
'19'22'23'24'25
'25 · B
Pupils & context
2024/25
Pupils on roll
1,610
Pupil : teacher ratio
16.6
Workforce data · 2025/26
EAL
22%
FSM eligible
7%
SEN
10%
Overall absence
7%
Persistent absence
21%
Contact
Address
Rickmansworth Road, Watford, WD18 7JF
Local authority
Hertfordshire
Website
Telephone
Email
—
History
All years · Historical DfE data by academic year
Secondary — Key Stage 4
GCSE attainment and Progress 8 — how pupils progressed from KS2 to KS4.
| Year | GCSE 9–4 | GCSE 5+ | Attainment 8 | Progress 8 | EBacc entry | EBacc APS | EBacc lang entry | Cohort |
|---|---|---|---|---|---|---|---|---|
| 2024/25 | 90% | 83% | 68.9 | Not applicable | 96% | 1509.8 | 96% | 1,610 |
| 2023/24 | 92% | 85% | 66.5 | +0.72 | 96% | 1452.6 | 97% | 1,557 |
| 2022/23 | 96% | 91% | 68.8 | +0.75 | 96% | 1532.5 | 97% | 1,533 |
| 2021/22 | 96% | 89% | 69.9 | +0.80 | 99% | 1296.8 | 99% | 1,516 |
| 2018/19 | 89% | 84% | 66.3 | +0.52 | 98% | 1243.9 | 98% | 1,369 |
| 2017/18 | 95% | 87% | 69.7 | +0.74 | 99% | 1268.5 | 99% | 1,338 |
| 2016/17 | 96% | 84% | 63.5 | +0.53 | 96% | — | 96% | 1,351 |
Sixth form — Key Stage 5
| Year | A-level APS | Avg grade | VA progress | AAB+ | Cohort |
|---|---|---|---|---|---|
| 2024/25 | 39.6 | B | -0.05 | 26% | 247 |
| 2023/24 | 42.0 | B+ | +0.11 | 40% | 194 |
| 2022/23 | 40.1 | B | — | 34% | 219 |
| 2021/22 | 43.2 | B+ | — | 38% | 199 |
| 2018/19 | 40.5 | B | +0.08 | 32% | 181 |
| 2017/18 | 40.8 | B | -0.06 | 39% | 213 |
| 2016/17 | 38.6 | B | -0.06 | 30% | 199 |
Pupils & absence
| Year | Pupils | Pupil:teacher | SEN | EAL | FSM ever | Absence | Persistent absence |
|---|---|---|---|---|---|---|---|
| 2024/25 | 1,610 | 16.6 | 10% | 22% | 7% | 7% | 21% |
| 2023/24 | 1,557 | 16.6 | 12% | 21% | 6% | 7% | 21% |
| 2022/23 | 1,533 | 16.1 | 10% | 19% | 7% | 7% | 20% |
| 2021/22 | 1,516 | 17.0 | 9% | 20% | 7% | 6% | 14% |
| 2020/21 | 1,456 | 16.8 | 9% | 21% | 6% | — | — |
| 2018/19 | 1,369 | 17.6 | 8% | 23% | 6% | 4% | 7% |
| 2017/18 | 1,338 | 16.6 | 8% | 26% | 7% | 5% | 14% |
| 2016/17 | 1,351 | 16.3 | 8% | 27% | 7% | 7% | 27% |
School performance data © Crown copyright. Source: Department for Education.