Dinnington High School is an academy converter in Sheffield, Rotherham, admitting pupils aged 11-18. It has a sixth form offering post-16 education. The school has approximately 1,009 pupils on roll, of whom 33% are eligible for free school meals.
In 2025, pupils achieved an Attainment 8 score of 42.3, placing the school #9 in Rotherham and #2,207 of 3,216 nationally. 39.10% of pupils achieved grade 5 or above in English and Maths. 11.3% of all GCSE entries were graded 9–7.
The sixth form offers 12 A-level subjects. 37.1% of A-level entries were graded A*–B, with 17.7% at A*–A. A-level value added: +0.21 — students made above-average progress at sixth form.
Ofsted last inspected the school in 2023. The school's current overall rating is Requires improvement. Inspectors assessed quality of education as Requires improvement, behaviour and attitudes Requires improvement, personal development Requires improvement, and leadership and management Requires improvement.
The pupil-to-qualified-teacher ratio is 15.3:1. There is 1 teaching vacancy.
In the 2024/25 academic year, there were 4 permanent exclusions. The average suspension rate was 13.7 per 1,000 pupils per term.