St Joseph's Catholic High School
Shaggy Calf Lane, Slough, SL2 5HW
- Phase
- Secondary
- School type
- Academy converter
- Ages
- 11 to 18
- Gender
- Mixed
- Religious character
- Roman Catholic
- Trust
- ST THOMAS CATHOLIC ACADEMIES TRUST
- Headteacher
- Miss Kelly Riddles
- Admissions policy
- Non-selective
- Diocese
- Diocese of Northampton
- Constituency
- Slough
- Setting
- Urban: Nearer to a major town or city
- Capacity
- 800
- Pupils on roll
- 988
- URN
- 143803
- Local authority
- Slough
- Website
- School website
- Telephone
- 01753524713
About this school
St Joseph's Catholic High School is a Roman Catholic secondary academy in Slough. It teaches children aged 11 to 18 and has 988 pupils on roll.
You can read Ofsted's latest judgement for the school below. Where the Department for Education has published them, its results and pupil characteristics appear below. Numbers and a report only go so far, so visit in person before you apply.
Ofsted judgement
Ofsted no longer gives schools a single overall grade. Each area of the school's work is graded on a five-point scale, and safeguarding is judged separately.
- Inclusion
- Expected standard
- Curriculum and teaching
- Expected standard
- Achievement
- Expected standard
- Attendance and behaviour
- Strong standard
- Personal development and wellbeing
- Expected standard
- Leadership and governance
- Expected standard
- Post-16 provision
- Expected standard
- Safeguarding
- Met
Exam results
Key stage 4 (GCSEs)
| Measure | 2022/23 | 2023/24 | 2024/25 |
|---|---|---|---|
| Pupils at the end of key stage 4 | 162 | 152 | 143 |
| Attainment 8 score | 50.4 | 50.5 | 50.1 |
| Progress 8 score | +0.37 +0.14 to +0.59 | +0.45 +0.22 to +0.68 | - |
| Grade 5 or above in English and maths | 49% | 49.3% | 43.4% |
| Grade 4 or above in English and maths | 75% | 70.4% | 70.6% |
| Entered the English Baccalaureate | 78% | 77% | 41.3% |
| English Baccalaureate average point score | 4.6 | 4.6 | 4.5 |
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 Joseph's Catholic High 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 | Slough average | England average |
|---|---|---|---|
| 2022/23 | 50.4 | 53.6 | 39.8 |
| 2023/24 | 50.5 | 55.5 | 39.5 |
| 2024/25 | 50.1 | 55.1 | 39 |
Department for Education KS4 performance data, published school results.
| Year | This school | England average |
|---|---|---|
| 2022/23 | 6.8% | 6.8% |
| 2023/24 | 5.3% | 6.6% |
| 2024/25 | 4.8% | 6.2% |
Department for Education pupil absence data.
| Year | This school |
|---|---|
| 2022/23 | 940 |
| 2023/24 | 958 |
| 2024/25 | 992 |
School census, spring count each academic year.
How St Joseph's Catholic High School compares
St Joseph's Catholic High School ranked 8th of 15 secondary schools in Slough for Attainment 8 in 2024/25. Its Attainment 8 score was higher than 76% of England secondary schools that published results in 2024/25. Its absence rate was lower than 64% of England schools in 2024/25.
| School | Attainment 8 (2024/25) | Absence | FSM (6 years) | Pupils | Distance |
|---|---|---|---|---|---|
| This school | 50.1 | 4.8% | 12.2% | 988 | — |
| Lynch Hill Enterprise Academy | 38.3 | 7.8% | 40.3% | 863 | 0.1 miles |
| Wexham School | 39.3 | 9.4% | 30% | 1,212 | 0.8 miles |
| Baylis Court School | 51.7 | 7.9% | 31.5% | 921 | 1.0 miles |
| St Bernard's Catholic Grammar School | 77.3 | 5.6% | 5.3% | 1,178 | 1.1 miles |
| Herschel Grammar School | 75.8 | 5.7% | 7.9% | 1,062 | 1.1 miles |
Results reflect each school's cohort as much as its teaching, and free school meals share is context, not a judgement. Small gaps between neighbouring schools are rarely meaningful on their own.
Inspection history
-
Graded inspection report6 May 2026
- 10 May 2022
School context
From the 2024/25 school census and absence figures.
- Free school meals (last 6 years)
- 12.23%
- English as an additional language
- 32.5%
- Overall absence
- 4.83%
- Persistent absence
- 10.48%
Location
Nearby schools
-
Lynch Hill Enterprise Academy0.1 miles
Secondary · Slough
-
Wexham School0.8 miles
Secondary · Slough
-
Baylis Court School1.0 miles
Secondary · Slough
-
St Bernard's Catholic Grammar School1.1 miles
Secondary · Slough
-
Herschel Grammar School1.1 miles
Secondary · Slough
Other schools in Slough
St Joseph's Catholic High School ranks 8th of the 16 ranked secondary schools in Slough.
- Baylis Court School Secondary
- Beechwood School Secondary
- Burnham Grammar School Secondary
- Churchmead Church of England (VA) School Secondary
- Ditton Park Academy Secondary
- Eden Girls' School, Slough Secondary
- Herschel Grammar School Secondary
- Lynch Hill Enterprise Academy Secondary
- Slough and Eton Church of England Business and Enterprise College Secondary
- St Bernard's Catholic Grammar School Secondary
- The Langley Academy Secondary
- The Westgate School Secondary
Common questions
- What year groups does St Joseph's Catholic High School teach?
- St Joseph's Catholic High School teaches children aged 11 to 18. It is a secondary school in Slough.
- Who is the headteacher of St Joseph's Catholic High School?
- The headteacher of St Joseph's Catholic High School is Miss Kelly Riddles, as recorded in the Department for Education's register of schools.
- When was St Joseph's Catholic High School last inspected?
- Ofsted has inspected St Joseph's Catholic High School, and its latest judgement is set out in the inspection section on this page, with the framework and the date it was made.
- How big is St Joseph's Catholic High School?
- St Joseph's Catholic High School has 988 pupils on roll, teaching children aged 11 to 18.
- Is St Joseph's Catholic High School full?
- St Joseph's Catholic High School has capacity for 800 pupils and 988 on roll (124%), so it is at or above 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 Joseph's Catholic High School a faith school?
- Yes. St Joseph's Catholic High School is designated Roman Catholic, in the Diocese of Northampton.
- Is St Joseph's Catholic High School a selective school?
- No. St Joseph's Catholic High School is recorded as non-selective in the schools register.
- Who runs St Joseph's Catholic High School?
- St Joseph's Catholic High School is part of ST THOMAS CATHOLIC ACADEMIES TRUST. Schools in a trust or federation share leadership and governance, but each keeps its own inspection record and results.
- How have St Joseph's Catholic High School's results changed over recent years?
- Its Attainment 8 score was 50.4 in 2022/23 and 50.1 in 2024/25. The year-by-year figures, alongside local and national averages, are charted in the trends section on this page.
- How does St Joseph's Catholic High School rank locally?
- St Joseph's Catholic High School ranked 8th of 15 secondary schools in Slough for Attainment 8. Its Attainment 8 score was higher than 76% of England secondary schools that published results in 2024/25. Its absence rate was lower than 64% of England schools in 2024/25. Results reflect each cohort as well as the school, so treat rankings as a starting point.
- What is St Joseph's Catholic High School's absence rate?
- St Joseph's Catholic High School's overall absence rate is 4.8% in the latest published census, at or below the England average of 6.2%.
- What are St Joseph's Catholic High School's exam results?
- Where the Department for Education has published them, St Joseph's Catholic High 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 15 July 2026.