Hartismere School

Est. 1451. An outstanding coeducational secondary school & sixth form college and England's first academy

Home Login

Coding Challenges for GCSE and A Level Computer Science

Attached is a collection of coding challenges. The best way to learn and get better at programming is to practise, but it is often difficult to know what to make. Working through these challenges will increase you skill set and familiarity with programming. 

Remember, we program using python in high school (years 7-11) and C# at sixth form. 

Programming IDEs (or you can code online using Replit)

Python: Thonny, Hartismere python online (no saving)

C#: Sharp Develop (old but lightweight), Visual Studio Community

Documents

In this section...

Taking A Level Computer Science

How robots are taking over warehouse work

A Level CS: Algorithm Assembly Instructions

Toyota Virtual Plant Tour

See also...

Binary addition 1

Student resources

Languages

Hartismere 200

Year 9

Personal Development

Topic by Topic Past paper Questions

Business and Media

Design and Technology

Year 12 revision

Explore...

Code.Org - Express computer science course

The Misleading Ending of Whiplash

MegaProcessor - the largest CPU in the world

Candidate Information - Written exams

Learnit Physics: Formula Practice

The Lost Boys - the vampires attack

On your exam day

48 Hour Scares

Examinations

The Wave revision activity

New...

We teach LAMDA

Impact Evaluation of LAMDA Exams in Schools

Summer 2026 Examinations

Hartismere Family :: Policy Documents

Parents Evening :: Year 9

March 2026 Year 11 Mocks

Hartismere Staff Sketchbook Club Exhibition

Higher Education Opportunity - LAMDA's (BA Hons) Production & Technical Arts

Discover...

Programming GCSE CS A Level CS Computer Science GCSE C# Science Knowledge Booklets Acting Physical Education Representation Languages Computerphile Staff Examinations The Guardian The Lost Boys Attack The Block Year 7 Calendar Staff Information Transport

Uh-oh - we were unable to load our website on your browser so we're showing you a plain HTML version.

We use many features found in modern browsers and regrettably yours seems incompatible.

However this legacy version contains (very, very nearly) all the same content. Each page is rendered on our server and doesn't rely on any browser features except the odd font. It doesn't even need Javascript or fancy CSS. It's like being in 1995!

Your browser is reporting itself to us as Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com). Please consider updating your browser to make the most of our website.

If you would like to try our proper website again - you can do so here...