St. Mary’S Nambale Senior School (formerly called St. Mary’S Nambale Secondary School) is a C4 Public Mixed Senior School that is physically located in Busia County, Nambale Sub County  in the Western Region of the  Republic of Kenya. This article provides all the details about St. Mary’S Nambale Senior School, including: the school’s cluster, level, UIC Code, Knec Code, Admissions and location.

This Day Senior School forms part of the Busia 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 Nambale Senior School School’s Basic Data and National Information.

School’s Old Name	St. Mary’S Nambale Secondary School
School’s New Name	St. Mary’S Nambale Senior School
Cluster	C4
Gender	Mixed
Accomodation Type	Day
Region	Western
County	Busia
Sub County	Nambale
UIC Code	AN3D
KNEC Code	35629122
Type of School	Public
Regular or SNE	Regular
Disability Type	None

St. Mary’S Nambale 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 Nambale 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. Mary’S Nambale Senior School’s Background and History.

St. Mary’S Nambale Senior School, historically known as St. Mary’S Nambale Secondary School, has played a very key role in the Kenyan Education Sector and more particularly in Busia 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 Nambale Senior School admitted the first grade 10 learners under the CBE Curriculum.

Location of St. Mary’S Nambale Senior School.

St. Mary’S Nambale Senior School’s exact physical location is in Busia County, Nambale in the Western Region of the  Republic of Kenya.

What to know about Western Region’s Senior Schools.

Western is the home of some of the best and highly competitive Senior Schools in Kenya. St. Mary’S Nambale 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 Nambale Senior School, confirm the pathways it offers.

Frequently Asked Questions About St. Mary’S Nambale Senior School.

1. What is the UIC Code for St. Mary’S Nambale Senior School?

The UIC Code for St. Mary’S Nambale Senior School is AN3D.

2. Is St. Mary’S Nambale Senior School a Boarding or Day School?

St. Mary’S Nambale Senior School is a Day Senior School.

3. What CBE Grades are taught at St. Mary’S Nambale Senior School?

St. Mary’S Nambale Senior School offers CBE Senior Schools Grades at Grade 10, 11 and 12.

4. What is the Knec Code for St. Mary’S Nambale Senior School?

The Official Knec Code for St. Mary’S Nambale Senior School is 35629122.

5. In Which County is St. Mary’S Nambale Senior School Found?

St. Mary’S Nambale Senior School is located in Busia County.

6. Does St. Mary’S Nambale Senior School admit Boys, Girls or Both?

St. Mary’S Nambale Senior School is a Mixed Senior School.

7. What was St. Mary’S Nambale Senior School’s Fomer Name under the 8-4-4 Education System?

St. Mary’S Nambale Senior School was formerly called St. Mary’S Nambale Secondary School.

8. What is St. Mary’S Nambale Senior School’s New Cluster?

St. Mary’S Nambale Senior School is now classified as a C4 Senior School.

9. Is there SNE Support for Learners at St. Mary’S Nambale Senior School?

St. Mary’S Nambale Senior School offers support for Regular learners. The school’s Disability Type is None.

10. Where is St. Mary’S Nambale Senior School Located?

St. Mary’S Nambale Senior School is found in Nambale Subcounty of Busia County; in the Western Region of the Republic of Kenya.

11. Is a St. Mary’S Nambale Senior School Private or Public School?

St. Mary’S Nambale 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.