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

This Boarding 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.

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

School’s Old Name	Ulumbi Secondary School
School’s New Name	Ulumbi Senior School
Cluster	C3
Gender	Mixed
Accomodation Type	Boarding
Region	Nyanza
County	Siaya
Sub County	Gem Yala
UIC Code	WX2J
KNEC Code	42749106
Type of School	Public
Regular or SNE	Regular
Disability Type	None

Ulumbi 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 Ulumbi 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.

Ulumbi Senior School’s Background and History.

Ulumbi Senior School, historically known as Ulumbi 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  C3 Public Senior School. In January 2026, Ulumbi Senior School admitted the first grade 10 learners under the CBE Curriculum.

Location of Ulumbi Senior School.

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

Frequently Asked Questions About Ulumbi Senior School.

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

The UIC Code for Ulumbi Senior School is WX2J.

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

Ulumbi Senior School is a Boarding Senior School.

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

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

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

The Official Knec Code for Ulumbi Senior School is 42749106.

5. In Which County is Ulumbi Senior School Found?

Ulumbi Senior School is located in Siaya County.

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

Ulumbi Senior School is a Mixed Senior School.

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

Ulumbi Senior School was formerly called Ulumbi Secondary School.

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

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

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

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

10. Where is Ulumbi Senior School Located?

Ulumbi Senior School is found in Gem Yala Subcounty of Siaya County; in the Nyanza Region of the Republic of Kenya.

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

Ulumbi 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.