Aberdare Ranges Senior School (formerly called Aberdare Ranges Secondary School) is a C4 Public Mixed Senior School that is physically located in Nyandarua County, North Kinangop Sub County  in the Central Region of the  Republic of Kenya. This article provides all the details about Aberdare Ranges Senior School, 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.

Aberdare Ranges Senior School School’s Basic Data and National Information.

School’s Old Name	Aberdare Ranges Secondary School
School’s New Name	Aberdare Ranges Senior School
Cluster	C4
Gender	Mixed
Accomodation Type	Day
Region	Central
County	Nyandarua
Sub County	North Kinangop
UIC Code	3YEA
KNEC Code	07209132
Type of School	Public
Regular or SNE	Regular
Disability Type	None

Aberdare Ranges 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 Aberdare Ranges 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.

Aberdare Ranges Senior School’s Background and History.

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

Location of Aberdare Ranges Senior School.

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

Frequently Asked Questions About Aberdare Ranges Senior School.

1. What is the UIC Code for Aberdare Ranges Senior School?

The UIC Code for Aberdare Ranges Senior School is 3YEA.

2. Is Aberdare Ranges Senior School a Boarding or Day School?

Aberdare Ranges Senior School is a Day Senior School.

3. What CBE Grades are taught at Aberdare Ranges Senior School?

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

4. What is the Knec Code for Aberdare Ranges Senior School?

The Official Knec Code for Aberdare Ranges Senior School is 07209132.

5. In Which County is Aberdare Ranges Senior School Found?

Aberdare Ranges Senior School is located in Nyandarua County.

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

Aberdare Ranges Senior School is a Mixed Senior School.

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

Aberdare Ranges Senior School was formerly called Aberdare Ranges Secondary School.

8. What is Aberdare Ranges Senior School’s New Cluster?

Aberdare Ranges Senior School is now classified as a C4 Senior School.

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

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

10. Where is Aberdare Ranges Senior School Located?

Aberdare Ranges Senior School is found in North Kinangop Subcounty of Nyandarua County; in the Central Region of the Republic of Kenya.

11. Is a Aberdare Ranges Senior School Private or Public School?

Aberdare Ranges 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.