St Mary's School
Bateman Street, cambridge, CB2 1LY
- Phase
- Independent schools
- School type
- Other independent school
- Ages
- 3 to 19
- Gender
- Girls
- Religious character
- Roman Catholic
- Headteacher
- Mrs Hannah Helliar
- Admissions policy
- Selective
- Boarding
- Boarding school
- Nursery provision
- Has Nursery Classes
- Constituency
- Cambridge
- Setting
- Urban: Nearer to a major town or city
- Capacity
- 750
- Pupils on roll
- 510
- URN
- 110912
- Local authority
- Cambridgeshire
- Website
- School website
- Telephone
- 01223353253
About this school
St Mary's School is a Roman Catholic girls' independent school in Cambridge. It teaches children aged 3 to 19 and has 510 pupils on roll.
Ofsted has not yet inspected St Mary's School under its current framework. Where the Department for Education has published them, its results and pupil characteristics appear below. Seeing a school for yourself shows what no page can, so arrange a visit before you apply.
Ofsted judgement
St Mary's School has not been inspected by Ofsted yet. It opened in its current form in January 1924, and new or converted schools usually wait a few years for their first inspection.
Exam results
Key stage 4 (GCSEs)
| Measure | 2022/23 | 2023/24 | 2024/25 |
|---|---|---|---|
| Pupils at the end of key stage 4 | 116 | 85 | 100 |
| Attainment 8 score | 52.4 | 52.7 | 51.8 |
| Progress 8 score | - | - | - |
| Grade 5 or above in English and maths | 73% | 68.2% | 68% |
| Grade 4 or above in English and maths | 82% | 84.7% | 82% |
| Entered the English Baccalaureate | 0% | 0% | 0% |
| English Baccalaureate average point score | 3.4 | 3.3 | 3.3 |
Progress 8 is paused nationally for the 2024/25 and 2025/26 school years. Those pupils sat no key stage 2 tests during the Covid pandemic, so there is no starting point to measure progress from. A blank figure here is not missing school data.
Trends over time
How St Mary's School has moved over recent years against the local and national picture. Every figure is shown in the table beneath its chart.
| Year | This school | Cambridgeshire average | England average |
|---|---|---|---|
| 2022/23 | 52.4 | 38.8 | 39.8 |
| 2023/24 | 52.7 | 38 | 39.5 |
| 2024/25 | 51.8 | 36.7 | 39 |
Department for Education KS4 performance data, published school results.
| Year | This school |
|---|---|
| 2022/23 | 677 |
| 2023/24 | 613 |
| 2024/25 | 586 |
School census, spring count each academic year.
School context
From the 2024/25 school census and absence figures.
- Free school meals (last 6 years)
- 0%
- Pupils with an EHC plan
- 3
- Pupils on SEN support
- 153
Location
Nearby schools
-
Mander Portman Woodward0.1 miles
Independent schools · Cambridge
-
The Stephen Perse Foundation0.1 miles
Independent schools
-
Heritage School0.2 miles
Independent schools · Cambridge
-
The Leys School0.2 miles
Independent schools · Cambridge
-
St. Andrew's College Cambridge0.3 miles
Independent schools · Cambridge
Other schools in Cambridge
- Cambridge Arts and Sciences (CATS and CSVPA) Independent schools
- Cambridge Muslim Secondary School Independent schools
- Heritage School Independent schools
- King's College School Independent schools
- Landmark International School Independent schools
- Mander Portman Woodward Independent schools
- Red Balloon Learner Centre - Cambridge Independent schools
- St Faith's School Independent schools
- St John's College School Independent schools
- St. Andrew's College Cambridge Independent schools
- The Leys School Independent schools
- Brunswick Nursery School Nursery
Common questions
- What year groups does St Mary's School teach?
- St Mary's School teaches children aged 3 to 19. It is an independent school in Cambridge.
- Who is the headteacher of St Mary's School?
- The headteacher of St Mary's School is Mrs Hannah Helliar, as recorded in the Department for Education's register of schools.
- Has St Mary's School been inspected?
- Ofsted has not inspected St Mary's School under its current framework, so no current judgement is shown. That is common for newer schools and is not a mark against a school.
- How big is St Mary's School?
- St Mary's School has 510 pupils on roll, teaching children aged 3 to 19.
- Is St Mary's School full?
- St Mary's School has capacity for 750 pupils and 510 on roll (68%), so it has space against its published capacity. Places are allocated through the local authority's admissions process, so capacity alone does not tell you whether a place is available.
- Is St Mary's School a faith school?
- Yes. St Mary's School is designated Roman Catholic.
- Is St Mary's School a selective school?
- Yes. St Mary's School is recorded as Selective in the schools register, so entry involves selection.
- How have St Mary's School's results changed over recent years?
- Its Attainment 8 score was 52.4 in 2022/23 and 51.8 in 2024/25. The year-by-year figures, alongside local and national averages, are charted in the trends section on this page.
- What are St Mary's School's exam results?
- Where the Department for Education has published them, St Mary's School's key stage results are shown in the results section on this page, with the last three years so you can see the trend rather than a single year.
School details come from the Department for Education's Get Information About Schools register. Inspection outcomes come from Ofsted, and exam results from the Department for Education's school performance service. This page was last updated on 24 July 2026.