St. Andrews Ndenderu Senior School: KNEC Code, Admissions & CBC Pathways
St. Andrews Ndenderu Senior School (formerly St. Andrews Ndenderu Secondary School) is a C4 Public Mixed school located in Kiambu County, Kiambaa Sub-county, Kenya.
This Day institution is part of the Kiambu education network and has transitioned to a Senior School hosting Grades 10, 11, and 12 learners under the CBC framework.

School Data & National Codes
| Official School Name | St. Andrews Ndenderu Senior School |
|---|---|
| KNEC Code | 11240120 |
| UIC Code | Z6H8 |
| S.N (Serial Number) | 2744 |
| Accommodation | Day |
| SNE Category | Regular None |
| Region / County | Central / Kiambu |
| Sub-County | Kiambaa |
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St. Andrews Ndenderu Senior School CBC & CBE Framework
St. Andrews Ndenderu Senior School operates as a Senior School within the Competency Based Curriculum. Students transition from Junior School to specialize in one of the main pathways:- STEM: Science, Technology, Engineering, and Mathematics.
- Social Sciences: Humanities and Business Studies.
- Arts & Sports: Performing/Visual Arts and Physical Education.
Institutional Background
The school, known historically as St. Andrews Ndenderu Secondary School, has played a vital role in Kiambu’s education sector. In 2024, Under the management of Mrs Beatrice Wairimu Njenga, it grew to an enrolment of 321 students. Today, the institution maintains its status as a C4 Public senior school.Contact St. Andrews Ndenderu Senior School
Location: Kiambaa Sub-County, Kiambu County, Central RegionPrimary Phone: Secondary Phone: 713155011 Official Email: st.andrewsndenderusec@yahoo.comCentral Region Senior Schools: What to Know
Central Region schools often draw learners from both town and rural settings. Compare schools based on facilities, pathway support, and accommodation options where applicable.- Accommodation: Confirm whether the school is day/boarding and what the routine looks like.
- Subject capacity: Ask about labs, workshops, and staffing for the pathway you want.
- Performance planning: Review the school’s co-curricular and academic support structures.
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