Alde Valley Academy is an academy sponsor led in Leiston, Suffolk, admitting pupils aged 11-16. It is part of KINGFISHER SCHOOLS TRUST LTD. The school has approximately 674 pupils on roll, of whom 31% are eligible for free school meals.
In 2025, pupils achieved an Attainment 8 score of 33.7, placing the school #42 in Suffolk and #3,081 of 3,216 nationally. 23.70% of pupils achieved grade 5 or above in English and Maths. 5.9% of all GCSE entries were graded 9–7.
Ofsted last inspected the school in 2024. 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.
In the most recent admissions cycle, applications were at 1.0× capacity.
The pupil-to-qualified-teacher ratio is 18.4:1. There are no current teaching vacancies.
In the 2024/25 academic year, there were 4 permanent exclusions. The average suspension rate was 21.0 per 1,000 pupils per term.