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

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

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

School’s Old Name	Ndumbini Secondary School
School’s New Name	Ndumbini Senior School
Cluster	C4
Gender	Mixed
Accomodation Type	Day
Region	Eastern
County	Tharaka Nithi
Sub County	Muthambi
UIC Code	3JGD
KNEC Code	19378116
Type of School	Public
Regular or SNE	Regular
Disability Type	None

Ndumbini 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 Ndumbini 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.

Ndumbini Senior School’s Background and History.

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

Location of Ndumbini Senior School.

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

Frequently Asked Questions About Ndumbini Senior School.

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

The UIC Code for Ndumbini Senior School is 3JGD.

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

Ndumbini Senior School is a Day Senior School.

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

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

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

The Official Knec Code for Ndumbini Senior School is 19378116.

5. In Which County is Ndumbini Senior School Found?

Ndumbini Senior School is located in Tharaka Nithi County.

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

Ndumbini Senior School is a Mixed Senior School.

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

Ndumbini Senior School was formerly called Ndumbini Secondary School.

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

Ndumbini Senior School is now classified as a C4 Senior School.

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

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

10. Where is Ndumbini Senior School Located?

Ndumbini Senior School is found in Muthambi Subcounty of Tharaka Nithi County; in the Eastern Region of the Republic of Kenya.

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

Ndumbini 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.