AQA GCSE Computer Science Paper 1 2025 Mark Scheme

Get the official AQA GCSE Computer Science Paper 1 Computational Thinking and Programming Skills mark scheme from the June 2025 series (8525/1) — the final v1.0 examiner-approved document used to award marks across all variants (8525/1A, 8525/1B, 8525/1C). This PDF provides the exact accepted answers, mark allocations, alternative responses, and examiner guidance used during standardisation to ensure consistent marking.

Use it to mark your responses against real examiner standards across key GCSE topics including Python programming, iteration and selection, validation, data types, arrays, searching and sorting algorithms, trace tables, and algorithm design. Pair it with the matching AQA 8525/1 June 2025 question paper on markscheme.net for full exam practice. Updated for the 2025/2026 academic year, optimised for mobile and desktop, and instantly downloadable from markscheme.net — your fastest route to top-grade revision.

This document is designed for GCSE Computer Science students preparing for the 2026 exam series, including Year 11 candidates, retake students targeting grades 7–9, and home-schooled learners. It is especially useful for students aiming to master Python programming, computational thinking, and algorithm-based exam questions.

It is also essential for teachers, tutors, and revision-course providers delivering AQA 8525, enabling accurate mock marking, structured mark-scheme walkthroughs, and standardisation across classes. Parents supporting independent revision can use it to track progress and identify weaknesses in coding and problem-solving.