Horace Ongili Senior School (formerly called Horace Ongili Secondary School) is a C4 Public Mixed Senior School that is physically located in Siaya County, Gem Wagai Sub County  in the Nyanza Region of the  Republic of Kenya. This article provides all the details about Horace Ongili Senior School, including: the school’s cluster, level, UIC Code, Knec Code, Admissions and location.

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

Horace Ongili Senior School School’s Basic Data and National Information.

School’s Old Name	Horace Ongili Secondary School
School’s New Name	Horace Ongili Senior School
Cluster	C4
Gender	Mixed
Accomodation Type	Day
Region	Nyanza
County	Siaya
Sub County	Gem Wagai
UIC Code	MV57
KNEC Code	42726204
Type of School	Public
Regular or SNE	Regular
Disability Type	None

Horace Ongili 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 Horace Ongili 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.

Horace Ongili Senior School’s Background and History.

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

Location of Horace Ongili Senior School.

Horace Ongili Senior School’s exact physical location is in Siaya County, Gem Wagai 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. Horace Ongili Senior School, just like other Senior schools in the region, favourably compete in co-curricular activities, academics and Infrastructural development. Before joining  Horace Ongili Senior School, confirm the pathways it offers.

Frequently Asked Questions About Horace Ongili Senior School.

1. What is the UIC Code for Horace Ongili Senior School?

The UIC Code for Horace Ongili Senior School is MV57.

2. Is Horace Ongili Senior School a Boarding or Day School?

Horace Ongili Senior School is a Day Senior School.

3. What CBE Grades are taught at Horace Ongili Senior School?

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

4. What is the Knec Code for Horace Ongili Senior School?

The Official Knec Code for Horace Ongili Senior School is 42726204.

5. In Which County is Horace Ongili Senior School Found?

Horace Ongili Senior School is located in Siaya County.

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

Horace Ongili Senior School is a Mixed Senior School.

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

Horace Ongili Senior School was formerly called Horace Ongili Secondary School.

8. What is Horace Ongili Senior School’s New Cluster?

Horace Ongili Senior School is now classified as a C4 Senior School.

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

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

10. Where is Horace Ongili Senior School Located?

Horace Ongili Senior School is found in Gem Wagai Subcounty of Siaya County; in the Nyanza Region of the Republic of Kenya.

11. Is a Horace Ongili Senior School Private or Public School?

Horace Ongili 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.