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

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

Gsu Senior School’s Basic Data and National Information.

School’s Old Name	Gsu Secondary
School’s New Name	Gsu Senior
Cluster	C4
Gender	Mixed
Accomodation Type	Day
Region	Nairobi
County	Nairobi
Sub County	Kasarani
UIC Code	7V7J
KNEC Code	20407079
Type of School	Public
Regular or SNE	Regular
Disability Type	None

Gsu 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 Gsu 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.

Gsu Senior’s Background and History.

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

Location of Gsu Senior.

Gsu Senior’s exact physical location is in Nairobi County, Kasarani in the Nairobi Region of the  Republic of Kenya.

What to know about Nairobi Region’s Senior Schools.

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

Frequently Asked Questions About Gsu Senior.

1. What is the UIC Code for Gsu Senior?

The UIC Code for Gsu Senior is 7V7J.

2. Is Gsu Senior a Boarding or Day School?

Gsu Senior is a Day Senior School.

3. What CBE Grades are taught at Gsu Senior?

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

4. What is the Knec Code for Gsu Senior?

The Official Knec Code for Gsu Senior is 20407079.

5. In Which County is Gsu Senior Found?

Gsu Senior is located in Nairobi County.

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

Gsu Senior is a Mixed Senior School.

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

Gsu Senior was formerly called Gsu Secondary.

8. What is Gsu Senior’s New Cluster?

Gsu Senior is now classified as a C4 Senior School.

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

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

10. Where is Gsu Senior Located?

Gsu Senior is found in Kasarani Subcounty of Nairobi County; in the Nairobi Region of the Republic of Kenya.

11. Is a Gsu Senior Private or Public School?

Gsu 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.