Muthei Senior School (formerly called Muthei Secondary School) is a C4 Public Mixed Senior School that is physically located in Machakos County, Mwala Sub County  in the Eastern Region of the  Republic of Kenya. This article provides all the details about Muthei 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.

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

School’s Old Name	Muthei Secondary School
School’s New Name	Muthei Senior School
Cluster	C4
Gender	Mixed
Accomodation Type	Day
Region	Eastern
County	Machakos
Sub County	Mwala
UIC Code	AF5X
KNEC Code	12314120
Type of School	Public
Regular or SNE	Regular
Disability Type	None

Muthei 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 Muthei 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.

Muthei Senior School’s Background and History.

Muthei Senior School, historically known as Muthei 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, Muthei Senior School admitted the first grade 10 learners under the CBE Curriculum.

Location of Muthei Senior School.

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

Frequently Asked Questions About Muthei Senior School.

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

The UIC Code for Muthei Senior School is AF5X.

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

Muthei Senior School is a Day Senior School.

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

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

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

The Official Knec Code for Muthei Senior School is 12314120.

5. In Which County is Muthei Senior School Found?

Muthei Senior School is located in Machakos County.

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

Muthei Senior School is a Mixed Senior School.

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

Muthei Senior School was formerly called Muthei Secondary School.

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

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

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

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

10. Where is Muthei Senior School Located?

Muthei Senior School is found in Mwala Subcounty of Machakos County; in the Eastern Region of the Republic of Kenya.

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

Muthei 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.