IB CS Hub
Top up wallet
Or pay with crypto
Sign in
{{ signedInEmail }}
Loading…
Sign in required

Sign in to view the Course Hub

Slide decks, notes and tools are only available to signed-in students. Already have access? Click Sign in above. New here? Get access or create a free class account.

Sign in / Create account
IB Diploma · Computer Science · First examinations 2027

Course Hub

Slide decks, handouts and practice questions for every lesson, organized in the order we teach them. Unit assessments, revision booklets and practice scenarios are open for self-study. Mark schemes and answer keys are locked until your teacher shares the password after each assessment.

Two-year course plan
{{ yr.label }}
{{ term.when }}
{{ term.what }}
Key dates

Term and break windows follow the school's published academic calendar; assessment milestones follow our scope and sequence. Exact day-by-day dates for each academic year should be confirmed against the current school calendar and updated here.

{{ kd.when }} {{ kd.what }}
Internal Assessment

Your IA is a self-built, coded software product with supporting documentation, worth 30 marks across five tasks (A–E). Work through them in order — each builds on the last, and later tasks are graded against how well they stay consistent with Task A's success criteria.

Task {{ t.letter }} · {{ t.marks }} marks
{{ t.name }}
{{ t.words }}
Open the full IA Guide (PDF) →
Viewing SL content. B4 (Abstract Data Types) and A4 (Machine Learning) are HL-only units, and some lessons inside other units are hidden.
{{ unit.code }} {{ unit.title }} {{ unit.progressLabel }}

{{ unit.desc }}

🔒 UNLOCK {{ unit.code }} MARK SCHEME & ANSWER KEY {{ unit.statusText }}
Lessons
{{ lesson.num }} {{ lesson.title }} Slide deck → Handout → Practice →
Unit resources
🔒 {{ res.label }} (unlock above) {{ res.icon }} {{ res.label }} →
Glossary
IB command terms

What each instruction word expects in your answer — the biggest single reason marks are lost is answering "describe" with a "state"-level response.

{{ c.term }} — {{ c.def }}
{{ gu.code }} · {{ gu.title }}
{{ c.term }} — {{ c.def }}

IB Computer Science 2027 · Course Hub · internal use

© 2026 IB CS Hub Key Dates Free Glossary Syllabus Guide Terms of Service Privacy Policy Refund Policy