AQA A Level Computer Science Paper 2 2025 Mark Scheme

Get the official AQA A-Level Computer Science Paper 2 mark scheme from the June 2025 series (7517/2) — the final v1.0 examiner-approved document used to award marks across all sections of the exam. This PDF contains the exact accepted answers, indicative content, level-of-response descriptors, and precise mark allocations applied by examiners in the live series.

Use it to mark your answers against real examiner standards across core Paper 2 topics, including data representation, compression, databases and SQL, networking (IPv4/IPv6, NAT, DHCP), functional programming, algorithms, Boolean algebra, and system architecture. Pair it with the matching AQA 7517/2 June 2025 question paper on markscheme.net for complete 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 A-Level Computer Science revision.

This document is for A-Level Computer Science students preparing for the 2026 exam series, including Year 13 candidates, retake students targeting A/A*, and independent or home-schooled learners. It is especially valuable for those aiming to master examiner expectations in Paper 2 topics such as algorithms, databases, and data representation.

It is also essential for teachers, tutors, and revision-course providers who need accurate, examiner-aligned materials for marking mock exams, delivering mark-scheme walkthroughs, standardising grading, and identifying recurring student misconceptions in high-mark questions.