The Rochester Grammar School
Ofsted: Good
Score
B80
- Type
- Academy converter
- Phase
- Secondary
- Location
- Rochester, ME1 3BY
- Distance
- 0.2km away
Sir Joseph Williamson's Mathematical School
Maidstone Road, Rochester, ME1 3EL
Local ranking1st of 20 secondary schools in Medway
Ofsted: OutstandingUpdated— score data refreshed 15 October 2026
Secondary
Phase
1280
Capacity
11-18
Age range
Boys
Gender
Latest data: 2026 GCSEs · 2025 A-levels · Ofsted inspection 21 March 2023. Figures last updated .
Year:
GCSE Results
2025-26- Average Attainment 8
- 69.9 nat46.2
- Grade 5+ Eng & Maths
- 96.3% nat46.3%
- Grade 4+ Eng & Maths
- 99.5% nat64.8%
- Cohort Size
- 214
Destinations
After GCSE 2024-25
- Sustained education/employment
- 96.0%
- Continued in education
- 95.0%
- Apprenticeships
- 0.0%
- Not sustained
- 2.0%
After A-Levels 2024-25
- Sustained education/employment
- 86.0%
- Higher education
- 65.0%
- Apprenticeships
- 5.0%
- Employment
- 16.0%
- Not sustained
- 8.0%
A-Level Results
2024-25*Data not available for 2025-26 — showing latest available results
B+
Avg A-Level Grade
42.3
Avg Points/Entry
nat 35.0
41.9
Best 3 A-Levels
nat 35.8
217
A-Level Students
- AAB+ with Facilitating
- 27.6% nat17.5%
- 16-18 Cohort
- 447
Pupil Demographics
2024-25- Total Pupils
- 1528
- Boys
- 1447 (93%)
- Girls
- 108 (7%)
- Capacity
- 1280 (121% full)
- SEND
- 7.4%
- FSM Eligible
- 10.8%
- EAL
- 14.1%
- SEN with EHC Plan
- 0.7%
- SEN Support
- 6.7%
- Pupil:Teacher Ratio
- 20.3:1
- Teachers (FTE)
- 75.1
- Budget per Pupil
- £5,809/yr
*Financial data not available for 2025-26 — showing 2024-25
Attendance & Absence
2024-25*Data not available for 2025-26 — showing latest available results
- Overall Absence Rate
- 3.7% nat6.2%
- Persistent Absence
- 5.0% nat15.8%
Persistent absence: pupils missing 10%+ of sessions.
School Information
- Type
- Academy converter
- Phase
- Secondary
- Nursery
- Not applicable
- Sixth Form
- Has a sixth form
- Boarders
- No boarders
- Admissions
- Selective
Pupil Ethnicity
Loading chart
- White British: 41.7%
- Black African: 20.7%
- Asian Indian: 9.8%
- White Other: 4.8%
- Mixed Other: 4.1%
- Asian Bangladeshi: 3.3%
- Asian Pakistani: 3.0%
- Mixed White & Asian: 2.5%
41.7%
White British
20.7%
Black African
9.8%
Asian Indian
Historical Trends
GCSE Performance
Pupil Demographics
Attendance & Absence
Contact & Location
Administrative
- URN
- 136662
- UKPRN
- 10033431
- Establishment No.
- 4530
- Trust
- LEIGH ACADEMIES TRUST
Common questions about Sir Joseph Williamson's Mathematical School
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