St. Mary’S Yatta Secondary School (formerly called St. Mary’S Yatta Secondary School) is a C4 Public Mixed Senior School that is physically located in Machakos County, Yatta in the Eastern Region of the Republic of Kenya. This article provides all the details about St. Mary’S Yatta 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. Mary’S Yatta Senior School School’s Basic Data and National Information.
| School’s Old Name | St. Mary’S Yatta Secondary School |
| School’s New Name | St. Mary’S Yatta Senior School |
| Cluster | C4 |
| Gender | Mixed |
| Accomodation Type | Day |
| Region | Eastern |
| County | Machakos |
| Sub County | Yatta |
| UIC Code | ZGEV |
| KNEC Code | 12315523 |
| Type of School | Public |
| Regular or SNE | Regular |
| Disability Type | None |
St. Mary’S Yatta 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. Mary’S Yatta 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. Mary’S Yatta Senior School’s Background and History.
St. Mary’S Yatta Senior School, historically known as St. Mary’S Yatta 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. Mary’S Yatta Senior School admitted the first grade 10 learners under the CBE Curriculum.
Location of St. Mary’S Yatta Senior School.
St. Mary’S Yatta Senior School’s exact physical location is in Machakos County, Yatta 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. Mary’S Yatta Senior School, just like other Senior schools in the region, favourably compete in co-curricular activities, academics and Infrastructural development. Before joining St. Mary’S Yatta Senior School, confirm the pathways it offers.
Frequently Asked Questions About St. Mary’S Yatta Senior School.
1. What is the UIC Code for St. Mary’S Yatta Senior School?
The UIC Code for St. Mary’S Yatta Senior School is ZGEV.
2. Is St. Mary’S Yatta Senior School a Boarding or Day School?
St. Mary’S Yatta Senior School is a Day Senior School.
3. What CBE Grades are taught at St. Mary’S Yatta Senior School?
St. Mary’S Yatta Senior School offers CBE Senior Schools Grades at Grade 10, 11 and 12.
4. What is the Knec Code for St. Mary’S Yatta Senior School?
The Official Knec Code for St. Mary’S Yatta Senior School is 12315523.
5. In Which County is St. Mary’S Yatta Senior School Found?
St. Mary’S Yatta Senior School is located in Machakos County.
6. Does St. Mary’S Yatta Senior School admit Boys, Girls or Both?
St. Mary’S Yatta Senior School is a Mixed Senior School.
7. What was St. Mary’S Yatta Senior School’s Fomer Name under the 8-4-4 Education System?
St. Mary’S Yatta Senior School was formerly called St. Mary’S Yatta Secondary School.
8. What is St. Mary’S Yatta Senior School’s New Cluster?
St. Mary’S Yatta Senior School is now classified as a C4 Senior School.
9. Is there SNE Support for Learners at St. Mary’S Yatta Senior School?
St. Mary’S Yatta Senior School offers support for Regular learners. The school’s Disability Type is None.
10. Where is St. Mary’S Yatta Senior School Located?
St. Mary’S Yatta Senior School is found in Yatta Subcounty of Machakos County; in the Eastern Region of the Republic of Kenya.
11. Is a St. Mary’S Yatta Senior School Private or Public School?
St. Mary’S Yatta 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.