Computer Science, explained properly.

From the knowledge library

1. 01CurriculumIn preparation

   IB Computer Science 2027

   A practical guide to the structure, expectations and learning journey of the new IB Computer Science course.

2. 02ProgrammingIn preparation

   Understanding recursion

   Why a function that calls itself is easier to reason about than it looks, and where it earns its place in the course.

3. 03DatabasesIn preparation

   Normalisation made clear

   First, second and third normal form worked through on one small table, without the usual abstraction.

4. 04Object-oriented programmingIn preparation

   Inheritance vs polymorphism

   Two ideas students routinely merge into one — separated, with the smallest example that shows the difference.

5. 05Exam preparationIn preparation

   How to structure IB Computer Science revision

   A way to plan revision around the syllabus itself rather than around whichever topic feels worst today.

6. 06TeachersIn preparation

   Teaching OOP visually

   Board-ready ways to show objects, state and messages before a single line of code is written.

7. 07Study strategiesIn preparation

   Common programming mistakes students make

   The handful of errors that account for most lost marks, and the habits that remove them.