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

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

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

School’s Old Name	Mathatani Secondary School
School’s New Name	Mathatani Senior School
Cluster	C4
Gender	Mixed
Accomodation Type	Day
Region	Eastern
County	Machakos
Sub County	Athi-River
UIC Code	B84M
KNEC Code	12330127
Type of School	Public
Regular or SNE	Regular
Disability Type	None

Mathatani 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 Mathatani 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.

Mathatani Senior School’s Background and History.

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

Location of Mathatani Senior School.

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

Frequently Asked Questions About Mathatani Senior School.

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

The UIC Code for Mathatani Senior School is B84M.

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

Mathatani Senior School is a Day Senior School.

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

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

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

The Official Knec Code for Mathatani Senior School is 12330127.

5. In Which County is Mathatani Senior School Found?

Mathatani Senior School is located in Machakos County.

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

Mathatani Senior School is a Mixed Senior School.

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

Mathatani Senior School was formerly called Mathatani Secondary School.

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

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

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

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

10. Where is Mathatani Senior School Located?

Mathatani Senior School is found in Athi-River Subcounty of Machakos County; in the Eastern Region of the Republic of Kenya.

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

Mathatani 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.