Osonkoroi Seniorc (formerly called Osonkoroi Secc) is a C4 Public Mixed Senior School that is physically located in Narok County, Trans Mara West Sub County  in the Rift Valley Region of the  Republic of Kenya. This article provides all the details about Osonkoroi Seniorc, including: the school’s cluster, level, UIC Code, Knec Code, Admissions and location.

This Day 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.

Osonkoroi Seniorc School’s Basic Data and National Information.

School’s Old Name	Osonkoroi Secc
School’s New Name	Osonkoroi Seniorc
Cluster	C4
Gender	Mixed
Accomodation Type	Day
Region	Rift Valley
County	Narok
Sub County	Trans Mara West
UIC Code	5QJH
KNEC Code	32519105
Type of School	Public
Regular or SNE	Regular
Disability Type	None

Osonkoroi Seniorc 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 Osonkoroi Seniorc 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.

Osonkoroi Seniorc’s Background and History.

Osonkoroi Seniorc, historically known as Osonkoroi Secc, 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  C4 Public Senior School. In January 2026, Osonkoroi Seniorc admitted the first grade 10 learners under the CBE Curriculum.

Location of Osonkoroi Seniorc.

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

Frequently Asked Questions About Osonkoroi Seniorc.

1. What is the UIC Code for Osonkoroi Seniorc?

The UIC Code for Osonkoroi Seniorc is 5QJH.

2. Is Osonkoroi Seniorc a Boarding or Day School?

Osonkoroi Seniorc is a Day Senior School.

3. What CBE Grades are taught at Osonkoroi Seniorc?

Osonkoroi Seniorc offers CBE Senior Schools Grades at Grade 10, 11 and 12.

4. What is the Knec Code for Osonkoroi Seniorc?

The Official Knec Code for Osonkoroi Seniorc is 32519105.

5. In Which County is Osonkoroi Seniorc Found?

Osonkoroi Seniorc is located in Narok County.

6. Does Osonkoroi Seniorc admit Boys, Girls or Both?

Osonkoroi Seniorc is a Mixed Senior School.

7. What was Osonkoroi Seniorc’s Fomer Name under the 8-4-4 Education System?

Osonkoroi Seniorc was formerly called Osonkoroi Secc.

8. What is Osonkoroi Seniorc’s New Cluster?

Osonkoroi Seniorc is now classified as a C4 Senior School.

9. Is there SNE Support for Learners at Osonkoroi Seniorc?

Osonkoroi Seniorc offers support for Regular learners. The school’s Disability Type is None.

10. Where is Osonkoroi Seniorc Located?

Osonkoroi Seniorc is found in Trans Mara West Subcounty of Narok County; in the Rift Valley Region of the Republic of Kenya.

11. Is a Osonkoroi Seniorc Private or Public School?

Osonkoroi Seniorc 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.