DP1 · By June 2027
Explore the problem
Identify feasible problems, likely users, needed data and technical risks. Investigate the riskiest part before expanding the scope.
Higher Level · Class of 2028
Assessment & IA
Demonstrate understanding in code, on paper and through explanation. Build the computational solution steadily, with time left for exam preparation.
The IB components
| Component | Focus | Time | HL weighting |
|---|---|---|---|
| Paper 1 | Theme A concepts and the case study | 2 hours | 40% |
| Paper 2 | Computational thinking and programming | 2 hours | 40% |
| Computational solution | An independently developed solution to a chosen problem | 35 hours | 20% |
Course checkpoints
The dates below are internal planning targets. Proposed tests and DP2 dates require timetable confirmation; they are not IB deadlines. Use the current Toddle assignment for submission instructions.
- Programming checkpoint
Proposed: tracing, search and sorting; before the reporting week.
- Semester 1 assessment
Proposed: cumulative programming and computer fundamentals. Exact sittings to be confirmed.
- IA problem exploration complete
Target: shortlist feasible problems and identify the main technical risk.
- Syllabus complete; working IA draft
Planning target before winter break; adjust to the 2027–28 school calendar.
- Internal IA completion target
School planning target, not an IB submission deadline. Approximately 35 supervised hours across the project.
The computational solution
Choose a problem you can define, investigate and solve with a manageable program. Agree measurable success criteria before committing to implementation. Preserve your own design decisions, development evidence and tests throughout the work.
DP2 · Autumn 2027
Design, build & test
Confirm the specification, plan the solution, develop in supervised sessions and test against the success criteria. Target a working product and draft before winter break.
DP2 · January 2028
Evaluate & complete
Evaluate the evidence, complete the required submission components and check integrity and attribution. Internal completion target: 21 January 2028, subject to confirmation.
Your working checklist
- A clear problem and a justified, manageable scope.
- Measurable success criteria and an explicit development plan.
- Design evidence that explains the structure of the solution.
- Authentic development evidence and readable source code.
- Normal, boundary and invalid tests, linked to the criteria.
- An honest evaluation supported by the results.
Exact report, demonstration and submission requirements will be issued using the current IB guide before the project launches.
Case study & examination preparation
When the cohort’s case study is available, build a glossary, investigate the technology beyond the booklet and keep a source-backed research record. DP2 revision combines timed questions, full-paper practice, mocks and work targeted to individual errors.
The May 2028 examination session is the course destination. Paper dates will be added when the examination timetable is available.