Glenthorne High School

Glenthorne High School at a glance

Located in Sutton, Sutton, Glenthorne High School is a secondary school, classified by the DfE as an academy converter. The school educates roughly 1,782 pupils aged 11 to 18. Ofsted judged the school to be 'Good' when it was last inspected in January 2026. In the most recent GCSE results, pupils achieved an average Attainment 8 score of 61.6, well above the national average of 46. That marks an improvement of 0.8 points in its Attainment 8 score on the previous year. On our composite score, which combines the DfE attainment measures above, this places it among the top 7% of secondary schools in England.

75% of pupils achieved a grade 5 or above in both English and maths, well above the national average of about 45%. 88% achieved a standard pass (grade 4+) in English and maths. When comparing schools, it is still worth visiting in person to see whether the atmosphere and approach suit your child. This overview is generated automatically from the latest published DfE performance tables and Ofsted data; figures are rounded, and you can check the originals via the official links further down the page.