Watford Grammar School for Boys
Watford, Hertfordshire County Council · WD18 7JF
Tracing its origins to 1704, Watford Grammar School for Boys is a long-established Church of England state grammar that selects through 11+ entry. With around 1,597 boys on roll, including a sizeable sixth form of 470, it ranks among the larger schools of its kind. Every aspect of its 2021 Ofsted inspection was judged Outstanding, from quality of education and behaviour through to leadership and the sixth form. A pupil-to-teacher ratio of about 17 sits comfortably for a school of this scale.
1,597
Pupils
Outstanding
Ofsted
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Open in Google Maps ↗Overview & data
- Gender
- Boys
- Type
- state school
- Pupils
- 1,597
- Pupil:teacher ratio
- 17
- Location
- Watford, Hertfordshire County Council
Headteacher
Headteacher Mr I Cooksey
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Latest results
GCSE grade 9-7
60%
A-level A*-A
36%
A-level A*-B
66%
Teaching & academics
Results reflect a confidently selective intake: 60% of GCSE entries reached grades 9-7, and at A-level 36% achieved A*-A with two-thirds at A*-B. The sciences and mathematics feature strongly at both GCSE and sixth form, where Mathematics, Further Mathematics, Economics and the three sciences are among the most popular choices alongside humanities such as History and Geography. An EPQ option allows older pupils to pursue independent research, and three modern languages are taught from the lower school upwards.
Sixth form
- Sixth-form pupils
- 470
Popular A-level subjects
Qualifications offered
Learning support & SEN
- SEN support
- 6.77%
- EHC plans
- 3.73%
Arts & extracurricular
Languages
Popular GCSE subjects
Sport
Main sports
Beyond the classroom
Sport centres on rugby, hockey and cricket, the traditional fixtures of a school with this heritage. Beyond the core subjects, the curriculum reaches into Classical Civilisation, Music, Art and Design and Film Studies, giving boys room to develop interests outside the academic mainstream.
Ethos & heritage
- Founded
- 1704
- Religious character
- C of E
- Boarding
- No
Mobile phone policy
Pupils (years 7-11) are not allowed to use personal mobile phones in school. Mobile phones must be kept turned off and out of sight at all times whilst students are on the school site. For the purposes of this policy, 'mobile phones' includes smart watches. Students in years 12 and 13 are allowed to use mobile phones in the sixth form café area and the terrace outside the sixth form centre. Phones must be out of sight in the sixth form study areas but may be used to listen to music/podcasts through headphones/Airpods in these areas.
Inspection reports
- Ofsted overall
- Outstanding
- Quality of education
- Outstanding
- Behaviour & attitudes
- Outstanding
- Last inspected
- 13 October 2021
The last word
A historic, fully selective boys' grammar with straight Outstanding ratings and strong science and maths credentials. Families seeking a rigorous, traditional state education will find much to weigh here.
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Watford Grammar School for Boys 11+: frequently asked questions
Where is Watford Grammar School for Boys located?
Watford Grammar School for Boys is located at Watford, WD18 7JF.
What type of school is Watford Grammar School for Boys?
Watford Grammar School for Boys is a state-funded school.
How many pupils attend Watford Grammar School for Boys?
Watford Grammar School for Boys has approximately 1,597 pupils on roll.
What is Watford Grammar School for Boys's Ofsted rating?
Watford Grammar School for Boys was rated "Outstanding" by Ofsted at its inspection on 13 October 2021.
Compiled from public data. Last checked June 2026.