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

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

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

School’s Old Name	Gesero Secondary School
School’s New Name	Gesero Senior School
Cluster	C3
Gender	Mixed
Accomodation Type	Boarding
Region	Nyanza
County	Kisii
Sub County	Kisii South
UIC Code	3RNZ
KNEC Code	40716109
Type of School	Public
Regular or SNE	Regular
Disability Type	None

Gesero 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 Gesero 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.

Gesero Senior School’s Background and History.

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

Location of Gesero Senior School.

Gesero Senior School’s exact physical location is in Kisii County, Kisii South in the Nyanza Region of the  Republic of Kenya.

What to know about Nyanza Region’s Senior Schools.

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

Frequently Asked Questions About Gesero Senior School.

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

The UIC Code for Gesero Senior School is 3RNZ.

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

Gesero Senior School is a Boarding Senior School.

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

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

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

The Official Knec Code for Gesero Senior School is 40716109.

5. In Which County is Gesero Senior School Found?

Gesero Senior School is located in Kisii County.

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

Gesero Senior School is a Mixed Senior School.

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

Gesero Senior School was formerly called Gesero Secondary School.

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

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

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

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

10. Where is Gesero Senior School Located?

Gesero Senior School is found in Kisii South Subcounty of Kisii County; in the Nyanza Region of the Republic of Kenya.

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

Gesero 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.