Parrenthorn High School is a community school in Manchester, Bury, admitting pupils aged 11-16. The school has approximately 1,033 pupils on roll, of whom 29% are eligible for free school meals.
In 2025, pupils achieved an Attainment 8 score of 44.5, placing the school #7 in Bury and #2,086 of 4,663 nationally. 39.90% of pupils achieved grade 5 or above in English and Maths. 15.9% of all GCSE entries were graded 9–7.
Ofsted last inspected the school in 2023. 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 Good.
The school is oversubscribed — in the most recent cycle, there were 1.0× as many applications as places, making a successful application competitive.
The pupil-to-qualified-teacher ratio is 16.4:1. There are no current teaching vacancies. Teacher turnover in the previous year was 8.2%.
In the 2024/25 academic year, there were no permanent exclusions. The average suspension rate was 6.5 per 1,000 pupils per term.