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Carshalton, London
St Philomena's Catholic High School for Girls is a secondary voluntary-aided school in Carshalton, London.
Government data shown for the 2024/25 academic year
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St Philomena's Catholic High School for Girls is a secondary voluntary-aided school in Carshalton, London. It has not yet been rated by students on y.school. Be the first to rate this voluntary-aided school and help other students and parents understand what the school experience is really like.
In terms of academic performance, St Philomena's Catholic High School for Girls has a Progress 8 score of +0.68 (above the national average), an Attainment 8 score of 57.7, 86% of students achieving grade 4+ in English and Maths, an average A-Level grade of B-.
The school has 1,408 pupils on roll, a teacher turnover rate of 29.3%, spending £7,746 per pupil, 13% of pupils eligible for free school meals, an overall absence rate of 5.2%.
After leaving St Philomena's Catholic High School for Girls, student destinations include 70% going on to university and 3% entering apprenticeships.
All student scores on y.school are calculated from anonymous ratings using a transparent, deterministic methodology. Scores are freshness-weighted (18-month half-life) and include confidence tiers based on sample size, diversity, and consistency. For full details, see the y.school methodology.
Profile completeness: 7 of 8 data domains
7.2
Good
/ 10
Data Score
Computed from 30 government data points. Not based on student reviews.
Source: DfE / Ofsted · context onlyGovernment data is shown for context and does not influence the student-review Student Score. Small schools can show extreme percentages from small sample sizes.
Latest government data shown is for the 2024/25 academic year; some figures cover earlier years.
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St Philomena's Catholic High School for Girls has a Progress 8 score of +0.68, which is above the national average of 0. Progress 8 measures how much progress students make between the end of Key Stage 2 and their GCSE results, compared to students with similar starting points nationally.
The school's Attainment 8 score is 57.7. Attainment 8 measures the average achievement of students across 8 qualifications including English, Maths, three EBacc subjects, and three open group qualifications.
86% of students at St Philomena's Catholic High School for Girls achieved grade 4 or above in both English and Maths GCSEs.
Students at St Philomena's Catholic High School for Girls achieve an average A-Level grade of B-. This metric covers all A-Level and equivalent qualifications taken at the school.
St Philomena's Catholic High School for Girls has an overall absence rate of 5.2%. The national average for secondary schools was approximately 8.5% (DfE, 2023/24).
The teacher turnover rate at St Philomena's Catholic High School for Girls is 29.3%. This measures the percentage of teachers who left the school in the past year.
The school spends £7,746 per pupil annually.
St Philomena's Catholic High School for Girls has 1,408 pupils on roll.
13% of pupils are eligible for free school meals, which is used as a proxy for socioeconomic disadvantage.
13% of pupils receive SEN (Special Educational Needs) support or have an Education, Health and Care plan.
Based on the latest government data. Every child is different — use this as a starting point, not a verdict.
In context — vs similar-intake schools
Top 25% for its intakeSt Philomena's Catholic High School for Girls is in the top 25% for Progress 8 among schools with a similar intake (11–17% of pupils eligible for free school meals).
Compared with 697 schools nationally that have a similar share of disadvantaged pupils (11–17% of pupils eligible for free school meals). Raw league-table positions are heavily shaped by intake; this comparison isolates how a school performs relative to others facing similar circumstances. Progress 8 already accounts for prior attainment. Source: Department for Education.
See the schools that most outperform their intakeSchools like this one
Matched on the share of disadvantaged pupils plus special-needs, English-as-an-additional-language and school size — so you can compare like with like, not just by postcode.
National percentiles (100 = best) for the area around the school · 5/5 measures · Police.uk, DEFRA, NaPTAN, DfT STATS19, MHCLG IoD 2025.
Other schools in the Carshalton area
After leaving St Philomena's Catholic High School for Girls, 70% go on to university and 3% enter apprenticeships.
St Philomena's Catholic High School for Girls was rated "Good" by Ofsted following an inspection in February 2022 (4 years ago). Based on Ofsted's inspection cycle, St Philomena's Catholic High School for Girls is due for reinspection this year (2026).
A "Good" rating means Ofsted found the school provides a high standard of education across all areas assessed. It has historically been the most common Ofsted rating.
Note: From November 2025, Ofsted replaced single-word judgements with detailed report cards covering multiple categories. While St Philomena's Catholic High School for Girls's rating shown above was awarded under the previous system, Ofsted now provides more granular assessments. For the most up-to-date inspection information, check the school's report card on the Ofsted website.
Ofsted data is shown for context only and does not influence the Student Score. For the official report, visit reports.ofsted.gov.uk.