Kiini Senior School (formerly called Kiini Secondary School) is a C2 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 Kiini Senior School, including: the school’s cluster, level, UIC Code, Knec Code, Admissions and location.

This Boarding 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.

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

School’s Old Name	Kiini Secondary School
School’s New Name	Kiini Senior School
Cluster	C2
Gender	Mixed
Accomodation Type	Boarding
Region	Eastern
County	Tharaka Nithi
Sub County	Muthambi
UIC Code	6J8S
KNEC Code	19378103
Type of School	Public
Regular or SNE	Regular
Disability Type	None

Kiini 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 Kiini 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.

Kiini Senior School’s Background and History.

Kiini Senior School, historically known as Kiini 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  C2 Public Senior School. In January 2026, Kiini Senior School admitted the first grade 10 learners under the CBE Curriculum.

Location of Kiini Senior School.

Kiini 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. Kiini Senior School, just like other Senior schools in the region, favourably compete in co-curricular activities, academics and Infrastructural development. Before joining  Kiini Senior School, confirm the pathways it offers.

Frequently Asked Questions About Kiini Senior School.

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

The UIC Code for Kiini Senior School is 6J8S.

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

Kiini Senior School is a Boarding Senior School.

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

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

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

The Official Knec Code for Kiini Senior School is 19378103.

5. In Which County is Kiini Senior School Found?

Kiini Senior School is located in Tharaka Nithi County.

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

Kiini Senior School is a Mixed Senior School.

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

Kiini Senior School was formerly called Kiini Secondary School.

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

Kiini Senior School is now classified as a C2 Senior School.

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

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

10. Where is Kiini Senior School Located?

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

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

Kiini 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.