Sutton has 15 secondary schools with a published Ofsted grade. At their latest inspection 4 were outstanding or exceptional and 100% good or better, against 81% of secondary schools across England. The most recent was inspected on 10 Feb 2026. Source: Ofsted inspection reports (Open Government Licence v3).
- 4 outstanding or exceptional
- 11 good, strong or expected
- 0 requires improvement or needs attention
- 0 inadequate or urgent improvement
| Secondary schools | Latest grade | Inspected | Postcode area |
|---|---|---|---|
| Cheam High School | Outstanding | 12 Feb 2015 | SM3 |
| Harris Academy Sutton | Outstanding | 9 Feb 2023 | SM2 |
| Wallington County Grammar School | Outstanding | 18 Jan 2017 | SM6 |
| Wilson's School | Outstanding | 29 Sept 2022 | SM6 |
| Carshalton Boys Sports College | Good | 19 Oct 2022 | SM5 |
| Carshalton High School for Girls | Good | 2 Nov 2017 | SM5 |
| Glenthorne High School | Strong | 6 Jan 2026 | SM3 |
| Greenshaw High School | Good | 6 Jun 2017 | SM1 |
| Nonsuch High School for Girls | Strong | 10 Feb 2026 | SM3 |
| Oaks Park High School | Good | 13 Oct 2023 | SM5 |
| Overton Grange School | Good | 19 Mar 2019 | SM2 |
| St Philomena's Catholic High School for Girls | Good | 25 Feb 2022 | SM5 |
| Sutton Grammar School | Good | 23 Jun 2022 | SM1 |
| The John Fisher School | Good | 23 Jan 2018 | CR8 |
| Wallington High School for Girls | Good | 12 Jan 2016 | SM6 |