Senior Chief Rissa Oloosuyan Senior School (formerly called Senior Chief Rissa Oloosuyan Secondary School) is a C4 Public Mixed Senior School that is physically located in Kajiado County, Kajiado Central Sub County in the Rift Valley Region of the Republic of Kenya. This article provides all the details about Senior Chief Rissa Oloosuyan Senior School, including: the school’s cluster, level, UIC Code, Knec Code, Admissions and location.
This Day Senior School forms part of the Kajiado Education Network and has fully transitioned to a Senior School that offers Competency Based Education (CBE) Curriculum to Grade 10, 11 and 12 Learners.
Senior Chief Rissa Oloosuyan Senior School School’s Basic Data and National Information.
| School’s Old Name | Senior Chief Rissa Oloosuyan Secondary School |
| School’s New Name | Senior Chief Rissa Oloosuyan Senior School |
| Cluster | C4 |
| Gender | Mixed |
| Accomodation Type | Day |
| Region | Rift Valley |
| County | Kajiado |
| Sub County | Kajiado Central |
| UIC Code | M9X5 |
| KNEC Code | 31515111 |
| Type of School | Public |
| Regular or SNE | Regular |
| Disability Type | None |
Senior Chief Rissa Oloosuyan 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 Senior Chief Rissa Oloosuyan Senior School at grade 10 specialize in any one of the following three main CBE pathways:
- 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.
- 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.
- 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.
Senior Chief Rissa Oloosuyan Senior School’s Background and History.
Senior Chief Rissa Oloosuyan Senior School, historically known as Senior Chief Rissa Oloosuyan Secondary School, has played a very key role in the Kenyan Education Sector and more particularly in Kajiado 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, Senior Chief Rissa Oloosuyan Senior School admitted the first grade 10 learners under the CBE Curriculum.
Location of Senior Chief Rissa Oloosuyan Senior School.
Senior Chief Rissa Oloosuyan Senior School’s exact physical location is in Kajiado County, Kajiado Central 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. Senior Chief Rissa Oloosuyan Senior School, just like other Senior schools in the region, favourably compete in co-curricular activities, academics and Infrastructural development. Before joining Senior Chief Rissa Oloosuyan Senior School, confirm the pathways it offers.
Frequently Asked Questions About Senior Chief Rissa Oloosuyan Senior School.
1. What is the UIC Code for Senior Chief Rissa Oloosuyan Senior School?
The UIC Code for Senior Chief Rissa Oloosuyan Senior School is M9X5.
2. Is Senior Chief Rissa Oloosuyan Senior School a Boarding or Day School?
Senior Chief Rissa Oloosuyan Senior School is a Day Senior School.
3. What CBE Grades are taught at Senior Chief Rissa Oloosuyan Senior School?
Senior Chief Rissa Oloosuyan Senior School offers CBE Senior Schools Grades at Grade 10, 11 and 12.
4. What is the Knec Code for Senior Chief Rissa Oloosuyan Senior School?
The Official Knec Code for Senior Chief Rissa Oloosuyan Senior School is 31515111.
5. In Which County is Senior Chief Rissa Oloosuyan Senior School Found?
Senior Chief Rissa Oloosuyan Senior School is located in Kajiado County.
6. Does Senior Chief Rissa Oloosuyan Senior School admit Boys, Girls or Both?
Senior Chief Rissa Oloosuyan Senior School is a Mixed Senior School.
7. What was Senior Chief Rissa Oloosuyan Senior School’s Fomer Name under the 8-4-4 Education System?
Senior Chief Rissa Oloosuyan Senior School was formerly called Senior Chief Rissa Oloosuyan Secondary School.
8. What is Senior Chief Rissa Oloosuyan Senior School’s New Cluster?
Senior Chief Rissa Oloosuyan Senior School is now classified as a C4 Senior School.
9. Is there SNE Support for Learners at Senior Chief Rissa Oloosuyan Senior School?
Senior Chief Rissa Oloosuyan Senior School offers support for Regular learners. The school’s Disability Type is None.
10. Where is Senior Chief Rissa Oloosuyan Senior School Located?
Senior Chief Rissa Oloosuyan Senior School is found in Kajiado Central Subcounty of Kajiado County; in the Rift Valley Region of the Republic of Kenya.
11. Is a Senior Chief Rissa Oloosuyan Senior School Private or Public School?
Senior Chief Rissa Oloosuyan 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.