KS3 Computer Science
KS3 Computer Science homework that builds secure foundations
Give Years 7–9 regular, purposeful computing practice without preparing every question yourself. CS Ninja generates fresh versions and marks responses as students work.
Built for Years 7–9 computing
CS Ninja supports departments introducing the ideas students need before GCSE: how data is represented, how programs work, how computers communicate and how to behave safely online. Teachers choose the areas their class is ready to practise.
What the KS3 question bank covers
The current question bank combines national curriculum foundations with practical cyber-security knowledge.
Binary and data
Binary and denary conversion, bits, bytes and representing information digitally.
Python basics
Variables, input and output, selection, loops and tracing short programs.
Networks
LANs, the internet, network hardware and how connected computers communicate.
Cyber security
Viruses, worms, trojans, ransomware, phishing, social engineering and layered prevention.
Digital safety and impact
Online safety, digital footprints and responsible use of technology.
From a chosen topic to completed homework
Select the KS3 topics and skills, choose how many questions students should answer and set or schedule the work. Students receive generated questions with fresh values. Incorrect skills return later so practice responds to what each student needs.
Why teachers use it
- No need to write routine questions
- Immediate marking and explanations
- Optional student hints for each assignment
- Results show how students performed
Ready to try CS Ninja?
Explore the question bank, then start a free month for your school.