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

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

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

School’s Old Name	Sosiyo Secondary School
School’s New Name	Sosiyo Senior School
Cluster	C4
Gender	Mixed
Accomodation Type	Day
Region	Rift Valley
County	Uasin Gishu
Sub County	Moiben
UIC Code	BNRV
KNEC Code	26577118
Type of School	Public
Regular or SNE	Regular
Disability Type	None

Sosiyo 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 Sosiyo 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.

Sosiyo Senior School’s Background and History.

Sosiyo Senior School, historically known as Sosiyo Secondary School, has played a very key role in the Kenyan Education Sector and more particularly in Uasin Gishu 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, Sosiyo Senior School admitted the first grade 10 learners under the CBE Curriculum.

Location of Sosiyo Senior School.

Sosiyo Senior School’s exact physical location is in Uasin Gishu County, Moiben 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. Sosiyo Senior School, just like other Senior schools in the region, favourably compete in co-curricular activities, academics and Infrastructural development. Before joining  Sosiyo Senior School, confirm the pathways it offers.

Frequently Asked Questions About Sosiyo Senior School.

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

The UIC Code for Sosiyo Senior School is BNRV.

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

Sosiyo Senior School is a Day Senior School.

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

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

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

The Official Knec Code for Sosiyo Senior School is 26577118.

5. In Which County is Sosiyo Senior School Found?

Sosiyo Senior School is located in Uasin Gishu County.

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

Sosiyo Senior School is a Mixed Senior School.

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

Sosiyo Senior School was formerly called Sosiyo Secondary School.

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

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

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

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

10. Where is Sosiyo Senior School Located?

Sosiyo Senior School is found in Moiben Subcounty of Uasin Gishu County; in the Rift Valley Region of the Republic of Kenya.

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

Sosiyo 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.