Coulson Senior School (formerly called Coulson Secondary School) is a C3 Public Mixed Senior School that is physically located in Nakuru County, Gilgil Sub County  in the Rift Valley Region of the  Republic of Kenya. This article provides all the details about Coulson Senior School, including: the school’s cluster, level, UIC Code, Knec Code, Admissions and location.

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

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

School’s Old Name	Coulson Secondary School
School’s New Name	Coulson Senior School
Cluster	C3
Gender	Mixed
Accomodation Type	Boarding
Region	Rift Valley
County	Nakuru
Sub County	Gilgil
UIC Code	J6BT
KNEC Code	27570205
Type of School	Public
Regular or SNE	Regular
Disability Type	None

Coulson 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 Coulson 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.

Coulson Senior School’s Background and History.

Coulson Senior School, historically known as Coulson Secondary School, has played a very key role in the Kenyan Education Sector and more particularly in Nakuru county; where it is domiciled.

The school has grown over the years and is now a fully recognized  C3 Public Senior School. In January 2026, Coulson Senior School admitted the first grade 10 learners under the CBE Curriculum.

Location of Coulson Senior School.

Coulson Senior School’s exact physical location is in Nakuru County, Gilgil in the Rift Valley Region of the  Republic of Kenya.

What to know about Rift Valley Region’s Senior Schools.

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

Frequently Asked Questions About Coulson Senior School.

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

The UIC Code for Coulson Senior School is J6BT.

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

Coulson Senior School is a Boarding Senior School.

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

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

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

The Official Knec Code for Coulson Senior School is 27570205.

5. In Which County is Coulson Senior School Found?

Coulson Senior School is located in Nakuru County.

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

Coulson Senior School is a Mixed Senior School.

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

Coulson Senior School was formerly called Coulson Secondary School.

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

Coulson Senior School is now classified as a C3 Senior School.

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

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

10. Where is Coulson Senior School Located?

Coulson Senior School is found in Gilgil Subcounty of Nakuru County; in the Rift Valley Region of the Republic of Kenya.

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

Coulson 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.