OCR GCSE Computer Science Paper 2 2025 Mark Scheme

Get the official OCR GCSE Computer Science Computational Thinking, Algorithms and Programming (J277/02) June 2025 mark scheme — the examiner-approved document used to award marks across the OCR GCSE 2025 examination series. This downloadable PDF includes accepted answers, algorithm solutions, pseudocode guidance, SQL marking criteria, programming syntax rules, logic-gate answers, computational-thinking examples, and examiner commentary covering iteration, selection, arrays, file handling, functions, merge sort, linear search, SQL queries, Boolean logic, abstraction, decomposition, and programming constructs.

Use this OCR J277/02 June 2025 mark scheme to understand exactly how OCR rewards programming logic, algorithm design, computational thinking, SQL syntax, and high-level coding accuracy in GCSE Computer Science examinations. Pair it with the matching OCR J277/02 June 2025 question paper on markscheme.net for complete exam practice and timed revision sessions. Updated for the 2025/2026 academic year, fully optimised for mobile and desktop, and instantly downloadable from markscheme.net — your fastest route to top-grade GCSE Computer Science revision.

This document is designed for OCR GCSE Computer Science students preparing for the 2026 exam series, including Year 10 and Year 11 candidates, resit learners targeting Grades 7–9, home-educated students, and independent candidates studying programming, algorithms, computational thinking, and database concepts.

It is also ideal for teachers, private tutors, intervention coordinators, revision-course providers, and parents supporting GCSE Computer Science revision at home. The mark scheme can be used to teach examiner expectations, improve coding accuracy, standardise marking, model high-scoring pseudocode answers, and identify common weaknesses in algorithm design, Boolean logic, SQL, and programming syntax.