🎄 CSUK’s 2025 Advent Coding Challenges Are Here!

A fresh festive season of daily coding fun for your classroom

As December approaches, we’re excited once again to bring a bit of festive magic to Computer Science classrooms across the country. The CSUK Advent Coding Challenges 2025 are ready to launch on December 1st, offering teachers a simple, fun, and engaging way to keep students motivated during the final stretch of term.

Following the success of last year’s advent calendar, we’ve prepared a brand-new set of 19 bite-sized coding challenges, each designed to be accessible, classroom-friendly, and enjoyable for students of all abilities.

🎁 What’s in this year’s Advent Calendar?

This year’s challenges continue our mission to make coding approachable, festive, and fun.
Each daily door reveals a short, purposeful puzzle—perfect as:

  • Lesson starters or plenaries

  • Quick-fire tasks during December lessons

  • Optional festive homework activities

  • Challenges for early finishers

  • Confidence boosters for less experienced coders

Every activity is designed to support core programming thinking in a low-pressure, seasonal context.

🌟 Designed for All Abilities

The 2025 challenges remain straightforward and accessible, making them ideal for mixed-ability KS3 and KS4 groups. Students don’t need advanced Python knowledge to take part—just curiosity and a willingness to try.

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🎓 Why teachers love the Advent Coding Challenges

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Teachers tell us each year that the advent calendar:

  • Brings a fun, positive energy into winter lessons

  • Encourages students to practise problem-solving daily

  • Helps build confidence with manageable, festive tasks

  • Requires minimal preparation—simply open the day’s challenge and go

Plus, it’s a great way to keep momentum going at a time of year when motivation often dips.

🎄 Make December a Coding Celebration

Whether you're using the challenges as mini tasks in lessons, running a form-time coding countdown, or encouraging students to explore them independently, we hope this year’s advent calendar brings a festive spark to your teaching throughout December.

You can explore the full calendar here:
👉 https://bytes.csuk.io/advent-2025/
(Available from 1st December)

🎅 A December Tradition Worth Keeping

We’re delighted to continue this seasonal coding tradition and can’t wait to see how students tackle this year’s puzzles. Thank you for bringing the excitement of coding into your classroom—especially at this busy, magical time of year.

Wishing you and your students a joyful December full of creativity, problem-solving, and festive coding fun!

CSUK:Bytes

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