Chepkosa Secondary School (formerly called Chepkosa Secondary School) is a C4 Public Mixed Senior School that is physically located in Bomet County, Chepalungu in the Rift Valley Region of the  Republic of Kenya. This article provides all the details about Chepkosa Senior School, including: the school’s cluster, level, UIC Code, Knec Code, Admissions and location.

This Day Senior School forms part of the Bomet Education Network and has fully transitioned to a Senior School that offers Competency Based Education (CBE) Curriculum to Grade 10, 11 and 12 Learners.

Chepkosa Senior School School’s Basic Data and National Information.

School’s Old Name	Chepkosa Secondary School
School’s New Name	Chepkosa Senior School
Cluster	C4
Gender	Mixed
Accomodation Type	Day
Region	Rift Valley
County	Bomet
Sub County	Chepalungu
UIC Code	WWMH
KNEC Code	25551104
Type of School	Public
Regular or SNE	Regular
Disability Type	None

Chepkosa Senior School operates as a fully Senior School offering the Competency Based Education (CBE/CBC) Curriculum. Students transition to this school from Junior School after sitting for the Kenya Junior School Education Assessment (KJSEA); which is a national assessment for Grade 9 learners under the Competency-Based Curriculum (CBC/ CBE). It assesses students in nine learning areas to evaluate their readiness to transition into Senior School.

Students who join Chepkosa Senior School at grade 10 specialize in any one of the following three main CBE pathways:

1. STEM (Science, Technology, Engineering, and Mathematics): Focuses on innovators and problem-solvers. It branches into Pure Sciences, Applied Sciences, and Technical Studies, leading to careers like medicine, engineering, and IT. 
2. Social Sciences: Designed for communicators and leaders. It includes tracks in Languages, Literature, Humanities, and Business Studies, preparing students for fields like law, journalism, and education. 
3. Arts & Sports Science: For creative minds and athletes. It features tracks in Visual Arts, Performing Arts, Music, and various sports disciplines, fostering careers in the creative and sports industries.

Chepkosa Senior School’s Background and History.

Chepkosa Senior School, historically known as Chepkosa Secondary School, has played a very key role in the Kenyan Education Sector and more particularly in Bomet county; where it is domiciled.

The school has grown over the years and is now a fully recognized  C4 Public Senior School. In January 2026, Chepkosa Senior School admitted the first grade 10 learners under the CBE Curriculum.

Location of Chepkosa Senior School.

Chepkosa Senior School’s exact physical location is in Bomet County, Chepalungu in the Rift Valley Region of the  Republic of Kenya.

What to know about Rift Valley Region’s Senior Schools.

Rift Valley is the home of some of the best and highly competitive Senior Schools in Kenya. Chepkosa Senior School, just like other Senior schools in the region, favourably compete in co-curricular activities, academics and Infrastructural development. Before joining  Chepkosa Senior School, confirm the pathways it offers.

Frequently Asked Questions About Chepkosa Senior School.

1. What is the UIC Code for Chepkosa Senior School?

The UIC Code for Chepkosa Senior School is WWMH.

2. Is Chepkosa Senior School a Boarding or Day School?

Chepkosa Senior School is a Day Senior School.

3. What CBE Grades are taught at Chepkosa Senior School?

Chepkosa Senior School offers CBE Senior Schools Grades at Grade 10, 11 and 12.

4. What is the Knec Code for Chepkosa Senior School?

The Official Knec Code for Chepkosa Senior School is 25551104.

5. In Which County is Chepkosa Senior School Found?

Chepkosa Senior School is located in Bomet County.

6. Does Chepkosa Senior School admit Boys, Girls or Both?

Chepkosa Senior School is a Mixed Senior School.

7. What was Chepkosa Senior School’s Fomer Name under the 8-4-4 Education System?

Chepkosa Senior School was formerly called Chepkosa Secondary School.

8. What is Chepkosa Senior School’s New Cluster?

Chepkosa Senior School is now classified as a C4 Senior School.

9. Is there SNE Support for Learners at Chepkosa Senior School?

Chepkosa Senior School offers support for Regular learners. The school’s Disability Type is None.

10. Where is Chepkosa Senior School Located?

Chepkosa Senior School is found in Chepalungu Subcounty of Bomet County; in the Rift Valley Region of the Republic of Kenya.

11. Is a Chepkosa Senior School Private or Public School?

Chepkosa Senior School is a Public School.

12. What CBE Pathways are offered at Senior School?

Senior schools offere 3 pathways; STEM, Social Sciences and Arts and Sports.