St John's Preparatory and Senior School
The Ridgeway, Potters Bar, EN6 5QT
- Phase
- Independent schools
- School type
- Other independent school
- Ages
- 3 to 19
- Gender
- Mixed
- Religious character
- None
- Headteacher
- Mrs C Tardios
- Admissions policy
- Selective
- Religious ethos
- Christian
- Nursery provision
- Has Nursery Classes
- Constituency
- Enfield North
- Setting
- Urban: Nearer to a major town or city
- Capacity
- 558
- Pupils on roll
- 493
- URN
- 102065
- Local authority
- Enfield
- Website
- School website
- Telephone
- 01707657294
About this school
St John's Preparatory and Senior School is an independent school in Potters Bar. It teaches children aged 3 to 19 and has 493 pupils on roll.
Ofsted has not yet inspected St John's Preparatory and Senior 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 John's Preparatory and Senior School has not been inspected by Ofsted yet. It opened in its current form in December 1988, 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 | 29 | 40 | 40 |
| Attainment 8 score | 67.2 | 70.1 | 68.1 |
| Progress 8 score | - | - | - |
| Grade 5 or above in English and maths | 97% | 95% | 97.5% |
| Grade 4 or above in English and maths | 100% | 100% | 100% |
| Entered the English Baccalaureate | 38% | 47.5% | 40% |
| English Baccalaureate average point score | 5.9 | 6.4 | 6.0 |
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 John's Preparatory and Senior 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 | Enfield average | England average |
|---|---|---|---|
| 2022/23 | 67.2 | 42.6 | 39.8 |
| 2023/24 | 70.1 | 40.2 | 39.5 |
| 2024/25 | 68.1 | 37.8 | 39 |
Department for Education KS4 performance data, published school results.
| Year | This school |
|---|---|
| 2022/23 | 472 |
| 2023/24 | 486 |
| 2024/25 | 497 |
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
- 1
- Pupils on SEN support
- 14
Location
Nearby schools
-
Elysium Healthcare Potters Bar Clinic School0.8 miles
Special schools · Potters Bar
-
Stormont School1.2 miles
Independent schools · Potters Bar
-
Fenton Grange School1.6 miles
Special schools · Potters Bar
-
The Mews1.6 miles
Special schools · Potters Bar
-
The Orchard School1.6 miles
Special schools · Potters Bar
Other schools in Potters Bar
- Lochinver House School Independent schools
- Stormont School Independent schools
- Cranborne Primary School Primary
- Cuffley School Primary
- Ladbrooke Junior Mixed and Infant School Primary
- Little Heath Primary School Primary
- Oakmere Primary School Primary
- Pope Paul Catholic Primary School Primary
- St Giles' CofE Primary School Primary
- The Wroxham School Primary
- Dame Alice Owen's School Secondary
- Gracewood Academy Secondary
Common questions
- What year groups does St John's Preparatory and Senior School teach?
- St John's Preparatory and Senior School teaches children aged 3 to 19. It is an independent school in Potters Bar.
- Who is the headteacher of St John's Preparatory and Senior School?
- The headteacher of St John's Preparatory and Senior School is Mrs C Tardios, as recorded in the Department for Education's register of schools.
- Has St John's Preparatory and Senior School been inspected?
- Ofsted has not inspected St John's Preparatory and Senior 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 John's Preparatory and Senior School?
- St John's Preparatory and Senior School has 493 pupils on roll, teaching children aged 3 to 19.
- Is St John's Preparatory and Senior School full?
- St John's Preparatory and Senior School has capacity for 558 pupils and 493 on roll (88%), 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 John's Preparatory and Senior School a faith school?
- No. St John's Preparatory and Senior School has no designated religious character.
- Is St John's Preparatory and Senior School a selective school?
- Yes. St John's Preparatory and Senior School is recorded as Selective in the schools register, so entry involves selection.
- How have St John's Preparatory and Senior School's results changed over recent years?
- Its Attainment 8 score was 67.2 in 2022/23 and 68.1 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 John's Preparatory and Senior School's exam results?
- Where the Department for Education has published them, St John's Preparatory and Senior 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.