Abosi Senior School (formerly called Abosi Secondary School) is a C3 Public Mixed Senior School that is physically located in Narok County, Trans Mara East Sub County  in the Rift Valley Region of the  Republic of Kenya. This article provides all the details about Abosi Senior School, including: the school’s cluster, level, UIC Code, Knec Code, Admissions and location.

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

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

School’s Old Name	Abosi Secondary School
School’s New Name	Abosi Senior School
Cluster	C3
Gender	Mixed
Accomodation Type	Boarding
Region	Rift Valley
County	Narok
Sub County	Trans Mara East
UIC Code	MYTK
KNEC Code	32560104
Type of School	Public
Regular or SNE	Regular
Disability Type	None

Abosi 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 Abosi 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.

Abosi Senior School’s Background and History.

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

The school has grown over the years and is now a fully recognized  C3 Public Senior School. In January 2026, Abosi Senior School admitted the first grade 10 learners under the CBE Curriculum.

Location of Abosi Senior School.

Abosi Senior School’s exact physical location is in Narok County, Trans Mara East 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. Abosi Senior School, just like other Senior schools in the region, favourably compete in co-curricular activities, academics and Infrastructural development. Before joining  Abosi Senior School, confirm the pathways it offers.

Frequently Asked Questions About Abosi Senior School.

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

The UIC Code for Abosi Senior School is MYTK.

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

Abosi Senior School is a Boarding Senior School.

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

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

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

The Official Knec Code for Abosi Senior School is 32560104.

5. In Which County is Abosi Senior School Found?

Abosi Senior School is located in Narok County.

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

Abosi Senior School is a Mixed Senior School.

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

Abosi Senior School was formerly called Abosi Secondary School.

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

Abosi Senior School is now classified as a C3 Senior School.

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

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

10. Where is Abosi Senior School Located?

Abosi Senior School is found in Trans Mara East Subcounty of Narok County; in the Rift Valley Region of the Republic of Kenya.

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

Abosi 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.