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%, 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.
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 is approximately 5.5%.
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.
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.
After leaving St Philomena's Catholic High School for Girls, 70% go on to university and 3% enter apprenticeships.
Source: Department for Education, Ofsted. Data shown for context only — does not influence the Student Score.
Data last updated: April 2026
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. Around 65% of schools in England are rated Good, making it the most common 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 displayed for context only and does not influence the Student Score. For the official Ofsted report, visit reports.ofsted.gov.uk.
Crime Nearby
277/mo
Within ~1 mile (Police.uk)
Violent Crime
90/mo
32% of total
Air Quality
Good
NO₂: 13.8 µg/m³ · PM2.5: 7.7
Bus Stops
15
Within 500m
Nearest Station
Carshalton Station
0.5km away · 1 stations nearby
Source: Police.uk, DEFRA UK-Air, DfT NaPTAN. Based on the school's location — actual conditions may vary.
St Philomena's Catholic High School for Girls has not updated their profile
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Other schools in the Carshalton area
This inspection was 4 years ago. Schools are typically re-inspected every 4 years — this rating may no longer reflect the current school.
Quality of Education
Good
Behaviour & Attitudes
Good
Personal Development
Good
Leadership & Management
Good
Source: Department for Education / Ofsted. Data shown for context only — does not influence the Student Score. Small schools may show extreme percentages due to small sample sizes.