IB CS Core — Topics 1–5 (SL & HL)
All five IB CS topics.One clear path.
Cover every mandatory IB Computer Science topic for SL and HL in one course.
Intermediate · Grades 9–12 · about 40 hours
What you get
- 41 lessons, start to finish
- About 40 hours of learning
- Intermediate level, built for grades 9–12
- Built and taught by officially certified instructors
- Start right away, in your browser
What you’ll be able to do
- Analyse system design, change management, and software deployment
- Describe computer organisation: CPU, memory, and data representation
- Explain network architecture, protocols, and security
- Apply computational thinking: decomposition, abstraction, and algorithms
- Implement and evaluate abstract data structures
Here’s the shift
IB CS covers a lot of ground. This course puts system fundamentals, computer organisation, networks, computational thinking and data structures in order, so each topic builds on the last.
Cover every mandatory IB Computer Science topic for SL and HL in one course.

