5 min read Everyone Updated Mar 2026

Quick summary: CBC is organised into a 2-6-3-3-3 structure: 2 years in pre-primary, 6 years in primary (3 lower + 3 upper), 3 years in junior secondary, 3 years in senior secondary, and 3 years in tertiary education. This article breaks down each level, its purpose, and what learners study.

2-6-3-3-3 at a Glance

2
Pre‑primary
Ages 4–5
3
Lower Primary
Ages 6–8
3
Upper Primary
Ages 9–11
3
Junior Secondary
Ages 12–14
3
Senior Secondary
Ages 15–17
3
Tertiary
18+

Total basic education: 2+6+3+3 = 14 years (pre‑primary to senior secondary)

1. Introduction

The 2-6-3-3-3 structure is the backbone of Kenya’s Competency-Based Curriculum. It replaced the old 8-4-4 system to provide smoother transitions, earlier specialisation, and more opportunities for learners to explore their talents. The numbers represent years spent at each level:

2. Early Years Education (2 + 3 years)

Early Years covers pre‑primary and lower primary. It focuses on foundational skills and smooth transition from home to school.

2.1 Pre‑Primary (2 years)

2.2 Lower Primary (Grades 1–3)

3. Middle School Education (3 + 3 years)

Middle School covers upper primary and junior secondary. It provides a broad curriculum so learners can explore their interests before choosing a pathway.

3.1 Upper Primary (Grades 4–6)

3.2 Junior Secondary (Grades 7–9)

4. Senior School (3 years)

4.1 Arts and Sports Science Pathway

4.2 Social Sciences Pathway

4.3 STEM Pathway

Exit: At the end of Senior School, learners sit for the Kenya Senior School Certificate (a summative assessment) and can proceed to university, middle‑level colleges, or directly into the workforce (especially those in Career & Technology Studies, who also receive an artisan certificate).

5. Tertiary Education (3+ years)

The final “3” represents the minimum years for a university degree or diploma programme. Learners may also pursue certificate and diploma courses at middle‑level colleges. This level builds on the competencies developed in basic education and prepares learners for professional careers.

6. Why This Structure?

The 2-6-3-3-3 design addresses several weaknesses of 8-4-4:

Key Takeaways

What’s Next?

Continue exploring the CBC with these related articles:

What is CBC? The 7 Core Competencies CBC vs 8-4-4 Parent’s Guide to Assessment
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