Brompton Academy
Academy sponsor led · sixth form · 1,399 pupils
83% stayed in education · Attainment 8 38.1
Academy converter
Sir Joseph Williamson's Mathematical School
- Pupils on roll
- 1,555of 1,280 places
- Free school meals
- 11.7%
- Year 11 cohort 2025
- 216
- Ofsted
- Outstanding, 21 March 2023Read the Ofsted report
Results below include those reported under the school’s previous registration: Sir Joseph Williamson's Mathematical School (URN 118839, until 1 April 2011).
What the data says
Of the 203 pupils who finished Year 11 at Sir Joseph Williamson's Mathematical School in 2023, 86% stayed on in Sir Joseph Williamson's Mathematical School’s own sixth form (Medway average 54%), 9% went to a further education college and none started an apprenticeship.
Among the 205 students who left the sixth form in 2023, 65% went to university (Medway 30%, England 37%), and 44% of level 3 students progressed to one of the most selective universities, against 19% nationally.
GCSE results in 2025 were well above the national picture: Attainment 8 of 69.5 against 46.1 across England and 46.1 in Medway, with 94% of pupils getting grade 5 or above in both English and maths (England 45%) — as a selective grammar school, Sir Joseph Williamson's Mathematical School admits pupils by test at 11, which drives these figures.
Design and Technology is unusually popular at GCSE: 50% of the year group took it, against 11% of pupils across England.
Where pupils went after Year 11
Destinations of the 2023 Year 11 leavers, measured the following year: the share in a sustained place for at least two terms. Compared with all state-funded schools in Medway and England.
School sixth formSixth form collegeFurther education collegeOther educationApprenticeshipEmploymentNo sustained destination
| Measure | This school | Medway | England |
|---|---|---|---|
| Pupils in the cohort | 203 | 3,382 | 607,348 |
| Any sustained destination | 97% | 91% | 92% |
| Stayed in education | 97% | 86% | 86% |
| — school sixth form | 86% | 54% | 34% |
| — sixth form college | 0% | — | 13% |
| — further education college | 9% | 28% | 37% |
| — other education | 1% | 3% | 2% |
| Apprenticeship | 0% | 3% | 3% |
| Employment | — | 3% | 3% |
| No sustained destination | 2% | 5% | 6% |
| Destination unknown | 1% | 4% | 3% |
Where students went after sixth form
Destinations of students who finished 16–18 study in 2023, measured the following year.
University (higher education)Further educationOther educationApprenticeshipEmploymentNo sustained destination
| Measure | This school | Medway | England |
|---|---|---|---|
| Students in the cohort | 205 | 3,685 | 541,441 |
| Any sustained destination | 86% | 76% | 79% |
| University (higher education) | 65% | 30% | 37% |
| — most selective universities (top third), of level 3 students | 44% | 11% | 19% |
| Further education | 0% | 4% | 5% |
| Apprenticeship | 5% | 9% | 7% |
| Employment | 16% | 33% | 28% |
| No sustained destination | 8% | 18% | 16% |
GCSE results 2025
| Measure | This school | Medway | England |
|---|---|---|---|
| Attainment 8 (average points per pupil) | 69.5 | 46.1 | 46.1 |
| Grade 5 or above in English and maths | 94% | 44% | 45% |
| Grade 4 or above in English and maths | 97% | 64% | 65% |
| Entered the English Baccalaureate subjects | 99% | 52% | 41% |
| EBacc average point score | 6.82 | 4.16 | 4.09 |
| Disadvantaged pupils in the cohort | 11% | 25% | 28% |
| Attainment 8 — disadvantaged pupils | 71.2 | 33.9 | 34.9 |
| Attainment 8 — other pupils | 69.3 | 50.1 | 50.4 |
| Pupils with high prior attainment (Key Stage 2) | — | — | — |
| English as an additional language | 8% | 15% | 19% |
Progress 8 is not available for 2025 and 2026: these cohorts had no Key Stage 2 tests in 2020 and 2021, so there is no baseline. Attainment 8 shows results without taking pupils’ starting points into account.
Subjects taken at GCSE
Entries in 2025 as a share of the Year 11 cohort, and the share of entries graded 7–9 and 4–9, compared with all entries in England.
| Subject | Entries | Share of cohort | England | Grades 7–9 | England | Grades 4–9 |
|---|---|---|---|---|---|---|
| English Language | 216 | 100% | 89% | 50% | 20% | 97% |
| Mathematics | 216 | 100% | 88% | 69% | 22% | 99% |
| English Literature | 216 | 100% | 86% | 56% | 21% | 98% |
| Physics | 153 | 71% | 23% | 68% | 46% | 100% |
| Biology | 153 | 71% | 23% | 63% | 45% | 100% |
| Chemistry | 153 | 71% | 23% | 73% | 47% | 100% |
| Geography | 145 | 67% | 41% | 57% | 25% | 99% |
| Economics | 119 | 55% | 1% | 46% | 34% | 92% |
| Design and Technology | 108 | 50% | 11% | 35% | 23% | 99% |
| Computer Science | 93 | 43% | 13% | 34% | 30% | 94% |
| French | 91 | 42% | 18% | 53% | 29% | 95% |
| History | 76 | 35% | 41% | 51% | 26% | 93% |
| Latin | 68 | 31% | 1% | 54% | 74% | 94% |
| Spanish | 65 | 30% | 19% | 54% | 27% | 88% |
| Combined Science | 62 | 29% | 65% | 27% | 9% | 94% |
| Physical Education | 61 | 28% | 11% | 43% | 24% | 100% |
| Citizenship Studies | 28 | 13% | 3% | 50% | 19% | 100% |
| Religious Studies | 15 | 7% | 31% | 47% | 32% | 100% |
| Fine Art | 13 | 6% | 9% | 31% | 28% | 100% |
| Music | 11 | 5% | 5% | 36% | 33% | 100% |
| Photography | 8 | 4% | 6% | 75% | 19% | 100% |
| Drama | 4 | 2% | 7% | — | 27% | — |
| Polish | 3 | 1% | 1% | — | 84% | — |
| Portuguese | 1 | 0% | 0% | — | 50% | — |
| Statistics | 1 | 0% | 5% | — | 20% | — |
A levels and other level 3 courses
| Measure | This school | Medway | England |
|---|---|---|---|
| Students at the end of 16–18 study | 447 | — | — |
| — of whom A level students | 217 | 1,385 | 261,341 |
| Average A level grade | B+ | C+ | B- |
| Average points per A level entry | 42.32 | 32.68 | 35.00 |
| Average grade, best 3 A levels | B+ | C+ | B- |
| AAB or better with two facilitating subjects | 28% | 13% | 18% |
| Average grade, applied general courses | — | — | — |
| Average grade, T levels | — | — | — |
A level subjects
Entries as a share of A level students, compared with the share across England.
| Subject | Entries | Share of cohort | England |
|---|---|---|---|
| Mathematics | 147 | 68% | 31% |
| Psychology | 84 | 39% | 23% |
| Biology | 71 | 33% | 20% |
| Economics | 65 | 30% | 13% |
| Chemistry | 52 | 24% | 17% |
| Physical Education | 43 | 20% | 3% |
| Physics | 32 | 15% | 12% |
| Further Mathematics | 31 | 14% | 5% |
| Politics | 18 | 8% | 6% |
| History | 18 | 8% | 13% |
| Product Design | 18 | 8% | 2% |
| Geography | 18 | 8% | 10% |
| English Literature | 18 | 8% | 11% |
| Computer Science | 13 | 6% | 5% |
| Classical Civilisation | 10 | 5% | 1% |
| Fine Art | 6 | 3% | 3% |
| Photography | — | — | 3% |
| Music | — | — | 0% |
| French | — | — | 1% |
| Turkish | — | — | 0% |
Applied, technical and other level 3 courses
| Subject | Qualification | Entries | Share of cohort | England |
|---|---|---|---|---|
| Study Skills | Extended Project (Diploma) | 19 | 9% | — |
| German | GCE AS level (Not continued to A2) | — | — | — |
| Mathematics | GCE AS level (Not continued to A2) | — | — | — |
| German | GCE AS level (All) | — | — | — |
| Mathematics | GCE AS level (All) | — | — | — |
Other secondary schools in Medway
Chatham Grammar
Academy converter · sixth form · 948 pupils
96% stayed in education · Attainment 8 61.8
Fort Pitt Grammar School
Academy converter · sixth form · 1,009 pupils
94% stayed in education · Attainment 8 65.9
Holcombe Grammar School
Academy converter · sixth form · 1,060 pupils
93% stayed in education · Attainment 8 62.4
Leigh Academy Hundred of Hoo
Academy sponsor led · sixth form · 1,829 pupils
81% stayed in education · Attainment 8 43.2
Leigh Academy Strood
Academy sponsor led · sixth form · 1,311 pupils
79% stayed in education · Attainment 8 41.2
Sources: Department for Education school and college performance tables 2024/2025 (Key Stage 4 and 16–18 results, subject entries, destination measures for 2023 leavers); Get Information About Schools register as at 19 September 2026; Ofsted management information as at 31 August 2026. Small numbers are suppressed by DfE and shown as “—”. How to read these figures.