Isaa Mixed Senior (formerly called Isaa Mixed Sec) is a C4 Public Mixed Senior School that is physically located in Kitui County, Mutomo Sub County in the Eastern Region of the Republic of Kenya. This article provides all the details about Isaa Mixed Senior, including: the school’s cluster, level, UIC Code, Knec Code, Admissions and location.
This Day Senior School forms part of the Kitui Education Network and has fully transitioned to a Senior School that offers Competency Based Education (CBE) Curriculum to Grade 10, 11 and 12 Learners.
Isaa Mixed Senior School’s Basic Data and National Information.
| School’s Old Name | Isaa Mixed Sec |
| School’s New Name | Isaa Mixed Senior |
| Cluster | C4 |
| Gender | Mixed |
| Accomodation Type | Day |
| Region | Eastern |
| County | Kitui |
| Sub County | Mutomo |
| UIC Code | SDWY |
| KNEC Code | 13317317 |
| Type of School | Public |
| Regular or SNE | Regular |
| Disability Type | None |
Isaa Mixed 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 Isaa Mixed Senior 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.
Isaa Mixed Senior’s Background and History.
Isaa Mixed Senior, historically known as Isaa Mixed Sec, has played a very key role in the Kenyan Education Sector and more particularly in Kitui 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, Isaa Mixed Senior admitted the first grade 10 learners under the CBE Curriculum.
Location of Isaa Mixed Senior.
Isaa Mixed Senior’s exact physical location is in Kitui County, Mutomo 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. Isaa Mixed Senior, just like other Senior schools in the region, favourably compete in co-curricular activities, academics and Infrastructural development. Before joining Isaa Mixed Senior, confirm the pathways it offers.
Frequently Asked Questions About Isaa Mixed Senior.
1. What is the UIC Code for Isaa Mixed Senior?
The UIC Code for Isaa Mixed Senior is SDWY.
2. Is Isaa Mixed Senior a Boarding or Day School?
Isaa Mixed Senior is a Day Senior School.
3. What CBE Grades are taught at Isaa Mixed Senior?
Isaa Mixed Senior offers CBE Senior Schools Grades at Grade 10, 11 and 12.
4. What is the Knec Code for Isaa Mixed Senior?
The Official Knec Code for Isaa Mixed Senior is 13317317.
5. In Which County is Isaa Mixed Senior Found?
Isaa Mixed Senior is located in Kitui County.
6. Does Isaa Mixed Senior admit Boys, Girls or Both?
Isaa Mixed Senior is a Mixed Senior School.
7. What was Isaa Mixed Senior’s Fomer Name under the 8-4-4 Education System?
Isaa Mixed Senior was formerly called Isaa Mixed Sec.
8. What is Isaa Mixed Senior’s New Cluster?
Isaa Mixed Senior is now classified as a C4 Senior School.
9. Is there SNE Support for Learners at Isaa Mixed Senior?
Isaa Mixed Senior offers support for Regular learners. The school’s Disability Type is None.
10. Where is Isaa Mixed Senior Located?
Isaa Mixed Senior is found in Mutomo Subcounty of Kitui County; in the Eastern Region of the Republic of Kenya.
11. Is a Isaa Mixed Senior Private or Public School?
Isaa Mixed 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.