Arnesen’s Senior School: KNEC Code, Admissions & CBC Pathways 2026
Arnesen’s Senior School (formerly Arnesen’s High School) is a C2 Public Boys school located in Uasin Gishu County, Ainabkoi Sub-county, Kenya.
This Boarding institution is part of the Uasin Gishu 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 | Arnesen’s Senior School |
|---|---|
| KNEC Code | 26534122 |
| UIC Code | S5S8 |
| S.N (Serial Number) | 8921 |
| Accommodation | Boarding |
| SNE Category | Regular None |
| Region / County | Rift Valley / Uasin Gishu |
| Sub-County | Ainabkoi |
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Arnesen’s Senior School CBC & CBE Framework
Arnesen’s 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 Arnesen’s High School, has played a vital role in Uasin Gishu’s education sector. In 2024, Under the management of Francis Juma, it grew to an enrolment of 1026 students. Today, the institution maintains its status as a C2 Public senior school.Contact Arnesen’s Senior School
Location: Ainabkoi Sub-County, Uasin Gishu County, Rift Valley RegionPrimary Phone: Secondary Phone: 720016734Official Email: arnesensschool@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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