Cranbourne is a community school in Basingstoke, Hampshire, admitting pupils aged 11-16. The school has approximately 987 pupils on roll, of whom 28% are eligible for free school meals.
In 2025, pupils achieved an Attainment 8 score of 42.7, placing the school #44 in Hampshire and #2,136 of 3,216 nationally. 41.90% of pupils achieved grade 5 or above in English and Maths. 12.5% of all GCSE entries were graded 9–7.
Ofsted last inspected the school in 2021. The school's current overall rating is Good. Inspectors assessed quality of education as Good, behaviour and attitudes Good, personal development Good, and leadership and management Outstanding.
In the most recent admissions cycle, applications were at 0.8× capacity.
The pupil-to-qualified-teacher ratio is 18.8:1. There are 2 teaching vacancies.
In the 2024/25 academic year, there was 1 permanent exclusion. The average suspension rate was 4.1 per 1,000 pupils per term.