St. Martin Mixed Day Senior School (formerly called St. Martin Mixed Day Secondary School) is a C4 Public Mixed Senior School that is physically located in Machakos County, Yatta Sub County  in the Eastern Region of the  Republic of Kenya. This article provides all the details about St. Martin Mixed Day 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. Martin Mixed Day Senior School School’s Basic Data and National Information.

School’s Old Name	St. Martin Mixed Day Secondary School
School’s New Name	St. Martin Mixed Day Senior School
Cluster	C4
Gender	Mixed
Accomodation Type	Day
Region	Eastern
County	Machakos
Sub County	Yatta
UIC Code	DCW6
KNEC Code	12315621
Type of School	Public
Regular or SNE	Regular
Disability Type	None

St. Martin Mixed Day 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. Martin Mixed Day Senior School at grade 10 specialize in any one of the following three main CBE pathways:

1. 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. 
2. 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. 
3. 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. Martin Mixed Day Senior School’s Background and History.

St. Martin Mixed Day Senior School, historically known as St. Martin Mixed Day 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. Martin Mixed Day Senior School admitted the first grade 10 learners under the CBE Curriculum.

Location of St. Martin Mixed Day Senior School.

St. Martin Mixed Day 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. Martin Mixed Day Senior School, just like other Senior schools in the region, favourably compete in co-curricular activities, academics and Infrastructural development. Before joining  St. Martin Mixed Day Senior School, confirm the pathways it offers.

Frequently Asked Questions About St. Martin Mixed Day Senior School.

1. What is the UIC Code for St. Martin Mixed Day Senior School?

The UIC Code for St. Martin Mixed Day Senior School is DCW6.

2. Is St. Martin Mixed Day Senior School a Boarding or Day School?

St. Martin Mixed Day Senior School is a Day Senior School.

3. What CBE Grades are taught at St. Martin Mixed Day Senior School?

St. Martin Mixed Day Senior School offers CBE Senior Schools Grades at Grade 10, 11 and 12.

4. What is the Knec Code for St. Martin Mixed Day Senior School?

The Official Knec Code for St. Martin Mixed Day Senior School is 12315621.

5. In Which County is St. Martin Mixed Day Senior School Found?

St. Martin Mixed Day Senior School is located in Machakos County.

6. Does St. Martin Mixed Day Senior School admit Boys, Girls or Both?

St. Martin Mixed Day Senior School is a Mixed Senior School.

7. What was St. Martin Mixed Day Senior School’s Fomer Name under the 8-4-4 Education System?

St. Martin Mixed Day Senior School was formerly called St. Martin Mixed Day Secondary School.

8. What is St. Martin Mixed Day Senior School’s New Cluster?

St. Martin Mixed Day Senior School is now classified as a C4 Senior School.

9. Is there SNE Support for Learners at St. Martin Mixed Day Senior School?

St. Martin Mixed Day Senior School offers support for Regular learners. The school’s Disability Type is None.

10. Where is St. Martin Mixed Day Senior School Located?

St. Martin Mixed Day Senior School is found in Yatta Subcounty of Machakos County; in the Eastern Region of the Republic of Kenya.

11. Is a St. Martin Mixed Day Senior School Private or Public School?

St. Martin Mixed Day 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.