Oloosirkon Mixed Senior School: KNEC Code, Admissions & CBC Pathways 2026
Oloosirkon Mixed Senior School (formerly Oloosirkon Mixed Secondary School) is a C4 Public Mixed school located in Kajiado County, Isinya Sub-county, Kenya.
This Day institution is part of the Kajiado 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 | Oloosirkon Mixed Senior School |
|---|---|
| KNEC Code | 31567209 |
| UIC Code | ZKNL |
| S.N (Serial Number) | 1813 |
| Accommodation | Day |
| SNE Category | Regular None |
| Region / County | Rift Valley / Kajiado |
| Sub-County | Isinya |
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Oloosirkon Mixed Senior School CBC & CBE Framework
Oloosirkon Mixed 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 Oloosirkon Mixed Secondary School, has played a vital role in Kajiado’s education sector. In 2024, Under the management of Anne W, Paul, it grew to an enrolment of 109 students. Today, the institution maintains its status as a C4 Public senior school.Contact Oloosirkon Mixed Senior School
Location: Isinya Sub-County, Kajiado County, Rift Valley RegionPrimary Phone: Secondary Phone: 723363218Official Email: kanjjanne@gmail.comRift Valley Region Senior Schools: What to Know
Rift Valley is geographically large and diverse. Compare senior schools using a mix of academics, pathway options, accommodation type, and co-curricular strength.- School category: Confirm the cluster/category and what it typically means for facilities and intake.
- Pathway depth: Ask about subject combinations, labs/workshops, and staffing stability.
- Logistics: If the school is far, verify travel plans, reporting dates, and termly schedules.
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