St.Joseph Mbaani Secondary School (formerly called St.Joseph Mbaani Secondary School) is a C4 Public Mixed Senior School that is physically located in Machakos County, Mwala in the Eastern Region of the Republic of Kenya. This article provides all the details about St.Joseph Mbaani 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.
St.Joseph Mbaani Senior School School’s Basic Data and National Information.
| School’s Old Name | St.Joseph Mbaani Secondary School |
| School’s New Name | St.Joseph Mbaani Senior School |
| Cluster | C4 |
| Gender | Mixed |
| Accomodation Type | Day |
| Region | Eastern |
| County | Machakos |
| Sub County | Mwala |
| UIC Code | AX84 |
| KNEC Code | 12314113 |
| Type of School | Public |
| Regular or SNE | Regular |
| Disability Type | None |
St.Joseph Mbaani 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 St.Joseph Mbaani 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.
St.Joseph Mbaani Senior School’s Background and History.
St.Joseph Mbaani Senior School, historically known as St.Joseph Mbaani 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, St.Joseph Mbaani Senior School admitted the first grade 10 learners under the CBE Curriculum.
Location of St.Joseph Mbaani Senior School.
St.Joseph Mbaani Senior School’s exact physical location is in Machakos County, Mwala 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 Mbaani Senior School, just like other Senior schools in the region, favourably compete in co-curricular activities, academics and Infrastructural development. Before joining St.Joseph Mbaani Senior School, confirm the pathways it offers.
Frequently Asked Questions About St.Joseph Mbaani Senior School.
1. What is the UIC Code for St.Joseph Mbaani Senior School?
The UIC Code for St.Joseph Mbaani Senior School is AX84.
2. Is St.Joseph Mbaani Senior School a Boarding or Day School?
St.Joseph Mbaani Senior School is a Day Senior School.
3. What CBE Grades are taught at St.Joseph Mbaani Senior School?
St.Joseph Mbaani Senior School offers CBE Senior Schools Grades at Grade 10, 11 and 12.
4. What is the Knec Code for St.Joseph Mbaani Senior School?
The Official Knec Code for St.Joseph Mbaani Senior School is 12314113.
5. In Which County is St.Joseph Mbaani Senior School Found?
St.Joseph Mbaani Senior School is located in Machakos County.
6. Does St.Joseph Mbaani Senior School admit Boys, Girls or Both?
St.Joseph Mbaani Senior School is a Mixed Senior School.
7. What was St.Joseph Mbaani Senior School’s Fomer Name under the 8-4-4 Education System?
St.Joseph Mbaani Senior School was formerly called St.Joseph Mbaani Secondary School.
8. What is St.Joseph Mbaani Senior School’s New Cluster?
St.Joseph Mbaani Senior School is now classified as a C4 Senior School.
9. Is there SNE Support for Learners at St.Joseph Mbaani Senior School?
St.Joseph Mbaani Senior School offers support for Regular learners. The school’s Disability Type is None.
10. Where is St.Joseph Mbaani Senior School Located?
St.Joseph Mbaani Senior School is found in Mwala Subcounty of Machakos County; in the Eastern Region of the Republic of Kenya.
11. Is a St.Joseph Mbaani Senior School Private or Public School?
St.Joseph Mbaani 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.