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

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

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

School’s Old Name	Mariwa Secondary School
School’s New Name	Mariwa Senior School
Cluster	C4
Gender	Mixed
Accomodation Type	Day
Region	Nyanza
County	Kisumu
Sub County	Muhoroni
UIC Code	BZ9M
KNEC Code	39734409
Type of School	Public
Regular or SNE	Regular
Disability Type	None

Mariwa 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 Mariwa 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.

Mariwa Senior School’s Background and History.

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

Location of Mariwa Senior School.

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

Frequently Asked Questions About Mariwa Senior School.

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

The UIC Code for Mariwa Senior School is BZ9M.

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

Mariwa Senior School is a Day Senior School.

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

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

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

The Official Knec Code for Mariwa Senior School is 39734409.

5. In Which County is Mariwa Senior School Found?

Mariwa Senior School is located in Kisumu County.

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

Mariwa Senior School is a Mixed Senior School.

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

Mariwa Senior School was formerly called Mariwa Secondary School.

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

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

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

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

10. Where is Mariwa Senior School Located?

Mariwa Senior School is found in Muhoroni Subcounty of Kisumu County; in the Nyanza Region of the Republic of Kenya.

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

Mariwa 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.