St. Mary’S Winjo Senior School (formerly called St. Mary’S Winjo Secondary School) is a C3 Public Mixed Senior School that is physically located in Migori County, Nyatike South Sub County in the Nyanza Region of the Republic of Kenya. This article provides all the details about St. Mary’S Winjo Senior School, including: the school’s cluster, level, UIC Code, Knec Code, Admissions and location.
This Boarding Senior School forms part of the Migori 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 Winjo Senior School School’s Basic Data and National Information.
| School’s Old Name | St. Mary’S Winjo Secondary School |
| School’s New Name | St. Mary’S Winjo Senior School |
| Cluster | C3 |
| Gender | Mixed |
| Accomodation Type | Boarding |
| Region | Nyanza |
| County | Migori |
| Sub County | Nyatike South |
| UIC Code | Z2SX |
| KNEC Code | 44753118 |
| Type of School | Public |
| Regular or SNE | Regular |
| Disability Type | None |
St. Mary’S Winjo 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 Winjo 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 Winjo Senior School’s Background and History.
St. Mary’S Winjo Senior School, historically known as St. Mary’S Winjo Secondary School, has played a very key role in the Kenyan Education Sector and more particularly in Migori county; where it is domiciled.
The school has grown over the years and is now a fully recognized C3 Public Senior School. In January 2026, St. Mary’S Winjo Senior School admitted the first grade 10 learners under the CBE Curriculum.
Location of St. Mary’S Winjo Senior School.
St. Mary’S Winjo Senior School’s exact physical location is in Migori County, Nyatike South in the Nyanza Region of the Republic of Kenya.
What to know about Nyanza Region’s Senior Schools.
Nyanza is the home of some of the best and highly competitive Senior Schools in Kenya. St. Mary’S Winjo 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 Winjo Senior School, confirm the pathways it offers.
Frequently Asked Questions About St. Mary’S Winjo Senior School.
1. What is the UIC Code for St. Mary’S Winjo Senior School?
The UIC Code for St. Mary’S Winjo Senior School is Z2SX.
2. Is St. Mary’S Winjo Senior School a Boarding or Day School?
St. Mary’S Winjo Senior School is a Boarding Senior School.
3. What CBE Grades are taught at St. Mary’S Winjo Senior School?
St. Mary’S Winjo Senior School offers CBE Senior Schools Grades at Grade 10, 11 and 12.
4. What is the Knec Code for St. Mary’S Winjo Senior School?
The Official Knec Code for St. Mary’S Winjo Senior School is 44753118.
5. In Which County is St. Mary’S Winjo Senior School Found?
St. Mary’S Winjo Senior School is located in Migori County.
6. Does St. Mary’S Winjo Senior School admit Boys, Girls or Both?
St. Mary’S Winjo Senior School is a Mixed Senior School.
7. What was St. Mary’S Winjo Senior School’s Fomer Name under the 8-4-4 Education System?
St. Mary’S Winjo Senior School was formerly called St. Mary’S Winjo Secondary School.
8. What is St. Mary’S Winjo Senior School’s New Cluster?
St. Mary’S Winjo Senior School is now classified as a C3 Senior School.
9. Is there SNE Support for Learners at St. Mary’S Winjo Senior School?
St. Mary’S Winjo Senior School offers support for Regular learners. The school’s Disability Type is None.
10. Where is St. Mary’S Winjo Senior School Located?
St. Mary’S Winjo Senior School is found in Nyatike South Subcounty of Migori County; in the Nyanza Region of the Republic of Kenya.
11. Is a St. Mary’S Winjo Senior School Private or Public School?
St. Mary’S Winjo 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.