A.I.C Isaac Kosgei Senior School (formerly called A.I.C Isaac Kosgei Secondary School) is a C4 Public Mixed Senior School that is physically located in Uasin Gishu County, Kesses Sub County  in the Rift Valley Region of the  Republic of Kenya. This article provides all the details about A.I.C Isaac Kosgei 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.

A.I.C Isaac Kosgei Senior School School’s Basic Data and National Information.

School’s Old Name	A.I.C Isaac Kosgei Secondary School
School’s New Name	A.I.C Isaac Kosgei Senior School
Cluster	C4
Gender	Mixed
Accomodation Type	Day
Region	Rift Valley
County	Uasin Gishu
Sub County	Kesses
UIC Code	ZFX2
KNEC Code	26578025
Type of School	Public
Regular or SNE	Regular
Disability Type	None

A.I.C Isaac Kosgei 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 A.I.C Isaac Kosgei 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.

A.I.C Isaac Kosgei Senior School’s Background and History.

A.I.C Isaac Kosgei Senior School, historically known as A.I.C Isaac Kosgei 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, A.I.C Isaac Kosgei Senior School admitted the first grade 10 learners under the CBE Curriculum.

Location of A.I.C Isaac Kosgei Senior School.

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

Frequently Asked Questions About A.I.C Isaac Kosgei Senior School.

1. What is the UIC Code for A.I.C Isaac Kosgei Senior School?

The UIC Code for A.I.C Isaac Kosgei Senior School is ZFX2.

2. Is A.I.C Isaac Kosgei Senior School a Boarding or Day School?

A.I.C Isaac Kosgei Senior School is a Day Senior School.

3. What CBE Grades are taught at A.I.C Isaac Kosgei Senior School?

A.I.C Isaac Kosgei Senior School offers CBE Senior Schools Grades at Grade 10, 11 and 12.

4. What is the Knec Code for A.I.C Isaac Kosgei Senior School?

The Official Knec Code for A.I.C Isaac Kosgei Senior School is 26578025.

5. In Which County is A.I.C Isaac Kosgei Senior School Found?

A.I.C Isaac Kosgei Senior School is located in Uasin Gishu County.

6. Does A.I.C Isaac Kosgei Senior School admit Boys, Girls or Both?

A.I.C Isaac Kosgei Senior School is a Mixed Senior School.

7. What was A.I.C Isaac Kosgei Senior School’s Fomer Name under the 8-4-4 Education System?

A.I.C Isaac Kosgei Senior School was formerly called A.I.C Isaac Kosgei Secondary School.

8. What is A.I.C Isaac Kosgei Senior School’s New Cluster?

A.I.C Isaac Kosgei Senior School is now classified as a C4 Senior School.

9. Is there SNE Support for Learners at A.I.C Isaac Kosgei Senior School?

A.I.C Isaac Kosgei Senior School offers support for Regular learners. The school’s Disability Type is None.

10. Where is A.I.C Isaac Kosgei Senior School Located?

A.I.C Isaac Kosgei Senior School is found in Kesses Subcounty of Uasin Gishu County; in the Rift Valley Region of the Republic of Kenya.

11. Is a A.I.C Isaac Kosgei Senior School Private or Public School?

A.I.C Isaac Kosgei 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.