Chislehurst and Sidcup Grammar School

About Chislehurst and Sidcup Grammar School

Chislehurst and Sidcup Grammar School is a secondary school in Sidcup, Bexley, classified by the DfE as an academy converter. Around 1,517 pupils aged 11 to 18 attend the school. The school's average Attainment 8 score in the latest GCSE results was 75.6 — well above the national average (national average: 46). Performance is little changed year on year. On our composite score, which combines the DfE attainment measures above, this places it among the top 2% of secondary schools in England.

99% of pupils achieved a grade 5 or above in both English and maths, well above the national average of about 45%. 100% achieved a standard pass (grade 4+) in English and maths. Its intake is relatively advantaged, with around 5% of pupils eligible for free school meals in the last six years versus about 24% nationally. Chislehurst and Sidcup Grammar School does not currently have a recent graded Ofsted judgement on record (often the case for newer or recently converted schools), so it is worth asking when its next inspection is expected. 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.