Onding Mixed Senior School (formerly called Onding Mixed Secondary School) is a C4 Public Mixed Senior School that is physically located in Siaya County, Gem Yala Sub County in the Nyanza Region of the Republic of Kenya. This article provides all the details about Onding Mixed Senior School, including: the school’s cluster, level, UIC Code, Knec Code, Admissions and location.
This Day Senior School forms part of the Siaya Education Network and has fully transitioned to a Senior School that offers Competency Based Education (CBE) Curriculum to Grade 10, 11 and 12 Learners.
Onding Mixed Senior School School’s Basic Data and National Information.
| School’s Old Name | Onding Mixed Secondary School |
| School’s New Name | Onding Mixed Senior School |
| Cluster | C4 |
| Gender | Mixed |
| Accomodation Type | Day |
| Region | Nyanza |
| County | Siaya |
| Sub County | Gem Yala |
| UIC Code | RZWW |
| KNEC Code | 42749125 |
| Type of School | Public |
| Regular or SNE | Regular |
| Disability Type | None |
Onding Mixed 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 Onding Mixed 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.
Onding Mixed Senior School’s Background and History.
Onding Mixed Senior School, historically known as Onding Mixed Secondary School, has played a very key role in the Kenyan Education Sector and more particularly in Siaya 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, Onding Mixed Senior School admitted the first grade 10 learners under the CBE Curriculum.
Location of Onding Mixed Senior School.
Onding Mixed Senior School’s exact physical location is in Siaya County, Gem Yala in the Nyanza Region of the Republic of Kenya.
What to know about Nyanza Region’s Senior Schools.
Nyanza is the home of some of the best and highly competitive Senior Schools in Kenya. Onding Mixed Senior School, just like other Senior schools in the region, favourably compete in co-curricular activities, academics and Infrastructural development. Before joining Onding Mixed Senior School, confirm the pathways it offers.
Frequently Asked Questions About Onding Mixed Senior School.
1. What is the UIC Code for Onding Mixed Senior School?
The UIC Code for Onding Mixed Senior School is RZWW.
2. Is Onding Mixed Senior School a Boarding or Day School?
Onding Mixed Senior School is a Day Senior School.
3. What CBE Grades are taught at Onding Mixed Senior School?
Onding Mixed Senior School offers CBE Senior Schools Grades at Grade 10, 11 and 12.
4. What is the Knec Code for Onding Mixed Senior School?
The Official Knec Code for Onding Mixed Senior School is 42749125.
5. In Which County is Onding Mixed Senior School Found?
Onding Mixed Senior School is located in Siaya County.
6. Does Onding Mixed Senior School admit Boys, Girls or Both?
Onding Mixed Senior School is a Mixed Senior School.
7. What was Onding Mixed Senior School’s Fomer Name under the 8-4-4 Education System?
Onding Mixed Senior School was formerly called Onding Mixed Secondary School.
8. What is Onding Mixed Senior School’s New Cluster?
Onding Mixed Senior School is now classified as a C4 Senior School.
9. Is there SNE Support for Learners at Onding Mixed Senior School?
Onding Mixed Senior School offers support for Regular learners. The school’s Disability Type is None.
10. Where is Onding Mixed Senior School Located?
Onding Mixed Senior School is found in Gem Yala Subcounty of Siaya County; in the Nyanza Region of the Republic of Kenya.
11. Is a Onding Mixed Senior School Private or Public School?
Onding Mixed 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.
