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

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

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

School’s Old Name	Sumbi Secondary School
School’s New Name	Sumbi Senior School
Cluster	C3
Gender	Mixed
Accomodation Type	Boarding
Region	Eastern
County	Makueni
Sub County	Kambu
UIC Code	YLUB
KNEC Code	18325303
Type of School	Public
Regular or SNE	Regular
Disability Type	None

Sumbi 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 Sumbi 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.

Sumbi Senior School’s Background and History.

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

Location of Sumbi Senior School.

Sumbi Senior School’s exact physical location is in Makueni County, Kambu in the Eastern Region of the  Republic of Kenya.

What to know about Eastern Region’s Senior Schools.

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

Frequently Asked Questions About Sumbi Senior School.

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

The UIC Code for Sumbi Senior School is YLUB.

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

Sumbi Senior School is a Boarding Senior School.

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

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

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

The Official Knec Code for Sumbi Senior School is 18325303.

5. In Which County is Sumbi Senior School Found?

Sumbi Senior School is located in Makueni County.

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

Sumbi Senior School is a Mixed Senior School.

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

Sumbi Senior School was formerly called Sumbi Secondary School.

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

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

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

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

10. Where is Sumbi Senior School Located?

Sumbi Senior School is found in Kambu Subcounty of Makueni County; in the Eastern Region of the Republic of Kenya.

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

Sumbi 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.