Iiyuni Secondary School (formerly called Iiyuni Secondary School) is a C4 Public Mixed Senior School that is physically located in Machakos County, Kalama in the Eastern Region of the Republic of Kenya. This article provides all the details about Iiyuni Senior School, including: the school’s cluster, level, UIC Code, Knec Code, Admissions and location.
This Day Senior School forms part of the Machakos Education Network and has fully transitioned to a Senior School that offers Competency Based Education (CBE) Curriculum to Grade 10, 11 and 12 Learners.
Iiyuni Senior School School’s Basic Data and National Information.
| School’s Old Name | Iiyuni Secondary School |
| School’s New Name | Iiyuni Senior School |
| Cluster | C4 |
| Gender | Mixed |
| Accomodation Type | Day |
| Region | Eastern |
| County | Machakos |
| Sub County | Kalama |
| UIC Code | S5ES |
| KNEC Code | 12363203 |
| Type of School | Public |
| Regular or SNE | Regular |
| Disability Type | None |
Iiyuni 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 Iiyuni 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.
Iiyuni Senior School’s Background and History.
Iiyuni Senior School, historically known as Iiyuni Secondary School, has played a very key role in the Kenyan Education Sector and more particularly in Machakos 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, Iiyuni Senior School admitted the first grade 10 learners under the CBE Curriculum.
Location of Iiyuni Senior School.
Iiyuni Senior School’s exact physical location is in Machakos County, Kalama in the Eastern Region of the Republic of Kenya.
What to know about Eastern Region’s Senior Schools.
Eastern is the home of some of the best and highly competitive Senior Schools in Kenya. Iiyuni Senior School, just like other Senior schools in the region, favourably compete in co-curricular activities, academics and Infrastructural development. Before joining Iiyuni Senior School, confirm the pathways it offers.
Frequently Asked Questions About Iiyuni Senior School.
1. What is the UIC Code for Iiyuni Senior School?
The UIC Code for Iiyuni Senior School is S5ES.
2. Is Iiyuni Senior School a Boarding or Day School?
Iiyuni Senior School is a Day Senior School.
3. What CBE Grades are taught at Iiyuni Senior School?
Iiyuni Senior School offers CBE Senior Schools Grades at Grade 10, 11 and 12.
4. What is the Knec Code for Iiyuni Senior School?
The Official Knec Code for Iiyuni Senior School is 12363203.
5. In Which County is Iiyuni Senior School Found?
Iiyuni Senior School is located in Machakos County.
6. Does Iiyuni Senior School admit Boys, Girls or Both?
Iiyuni Senior School is a Mixed Senior School.
7. What was Iiyuni Senior School’s Fomer Name under the 8-4-4 Education System?
Iiyuni Senior School was formerly called Iiyuni Secondary School.
8. What is Iiyuni Senior School’s New Cluster?
Iiyuni Senior School is now classified as a C4 Senior School.
9. Is there SNE Support for Learners at Iiyuni Senior School?
Iiyuni Senior School offers support for Regular learners. The school’s Disability Type is None.
10. Where is Iiyuni Senior School Located?
Iiyuni Senior School is found in Kalama Subcounty of Machakos County; in the Eastern Region of the Republic of Kenya.
11. Is a Iiyuni Senior School Private or Public School?
Iiyuni 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.