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

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

Ruiru Senior School’s Basic Data and National Information.

School’s Old Name	Ruiru Sec
School’s New Name	Ruiru Senior
Cluster	C4
Gender	Mixed
Accomodation Type	Day
Region	Central
County	Nyandarua
Sub County	Gathanji
UIC Code	73F6
KNEC Code	07242105
Type of School	Public
Regular or SNE	Regular
Disability Type	None

Ruiru Senior 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 Ruiru Senior 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.

Ruiru Senior’s Background and History.

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

Location of Ruiru Senior.

Ruiru Senior’s exact physical location is in Nyandarua County, Gathanji in the Central Region of the  Republic of Kenya.

What to know about Central Region’s Senior Schools.

Central is the home of some of the best and highly competitive Senior Schools in Kenya. Ruiru Senior, just like other Senior schools in the region, favourably compete in co-curricular activities, academics and Infrastructural development. Before joining  Ruiru Senior, confirm the pathways it offers.

Frequently Asked Questions About Ruiru Senior.

1. What is the UIC Code for Ruiru Senior?

The UIC Code for Ruiru Senior is 73F6.

2. Is Ruiru Senior a Boarding or Day School?

Ruiru Senior is a Day Senior School.

3. What CBE Grades are taught at Ruiru Senior?

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

4. What is the Knec Code for Ruiru Senior?

The Official Knec Code for Ruiru Senior is 07242105.

5. In Which County is Ruiru Senior Found?

Ruiru Senior is located in Nyandarua County.

6. Does Ruiru Senior admit Boys, Girls or Both?

Ruiru Senior is a Mixed Senior School.

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

Ruiru Senior was formerly called Ruiru Sec.

8. What is Ruiru Senior’s New Cluster?

Ruiru Senior is now classified as a C4 Senior School.

9. Is there SNE Support for Learners at Ruiru Senior?

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

10. Where is Ruiru Senior Located?

Ruiru Senior is found in Gathanji Subcounty of Nyandarua County; in the Central Region of the Republic of Kenya.

11. Is a Ruiru Senior Private or Public School?

Ruiru Senior 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.