St. Joseph’S Musosya Senior (formerly called St. Joseph’S Musosya Sec) is a C4 Public Mixed Senior School that is physically located in Kitui County, Matinyani Sub County in the Eastern Region of the Republic of Kenya. This article provides all the details about St. Joseph’S Musosya 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.
St. Joseph’S Musosya Senior School’s Basic Data and National Information.
| School’s Old Name | St. Joseph’S Musosya Sec |
| School’s New Name | St. Joseph’S Musosya Senior |
| Cluster | C4 |
| Gender | Mixed |
| Accomodation Type | Day |
| Region | Eastern |
| County | Kitui |
| Sub County | Matinyani |
| UIC Code | L92X |
| KNEC Code | 13360113 |
| Type of School | Public |
| Regular or SNE | Regular |
| Disability Type | None |
St. Joseph’S Musosya 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 St. Joseph’S Musosya 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.
St. Joseph’S Musosya Senior’s Background and History.
St. Joseph’S Musosya Senior, historically known as St. Joseph’S Musosya 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, St. Joseph’S Musosya Senior admitted the first grade 10 learners under the CBE Curriculum.
Location of St. Joseph’S Musosya Senior.
St. Joseph’S Musosya Senior’s exact physical location is in Kitui County, Matinyani 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. St. Joseph’S Musosya Senior, just like other Senior schools in the region, favourably compete in co-curricular activities, academics and Infrastructural development. Before joining St. Joseph’S Musosya Senior, confirm the pathways it offers.
Frequently Asked Questions About St. Joseph’S Musosya Senior.
1. What is the UIC Code for St. Joseph’S Musosya Senior?
The UIC Code for St. Joseph’S Musosya Senior is L92X.
2. Is St. Joseph’S Musosya Senior a Boarding or Day School?
St. Joseph’S Musosya Senior is a Day Senior School.
3. What CBE Grades are taught at St. Joseph’S Musosya Senior?
St. Joseph’S Musosya Senior offers CBE Senior Schools Grades at Grade 10, 11 and 12.
4. What is the Knec Code for St. Joseph’S Musosya Senior?
The Official Knec Code for St. Joseph’S Musosya Senior is 13360113.
5. In Which County is St. Joseph’S Musosya Senior Found?
St. Joseph’S Musosya Senior is located in Kitui County.
6. Does St. Joseph’S Musosya Senior admit Boys, Girls or Both?
St. Joseph’S Musosya Senior is a Mixed Senior School.
7. What was St. Joseph’S Musosya Senior’s Fomer Name under the 8-4-4 Education System?
St. Joseph’S Musosya Senior was formerly called St. Joseph’S Musosya Sec.
8. What is St. Joseph’S Musosya Senior’s New Cluster?
St. Joseph’S Musosya Senior is now classified as a C4 Senior School.
9. Is there SNE Support for Learners at St. Joseph’S Musosya Senior?
St. Joseph’S Musosya Senior offers support for Regular learners. The school’s Disability Type is None.
10. Where is St. Joseph’S Musosya Senior Located?
St. Joseph’S Musosya Senior is found in Matinyani Subcounty of Kitui County; in the Eastern Region of the Republic of Kenya.
11. Is a St. Joseph’S Musosya Senior Private or Public School?
St. Joseph’S Musosya 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.
