St. Mary’S Senior School- Kiamworia in Kiambu

St. Mary’S Senior School- Kiamworia (formerly called St. Mary’S Secondary School- Kiamworia) is a C3 Public Girls Senior School that is physically located in Kiambu County, Gatundu South Sub County  in the Central Region of the  Republic of Kenya. This article provides all the details about St. Mary’S Senior School- Kiamworia, including: the school’s cluster, level, UIC Code, Knec Code, Admissions and location.

This Boarding Senior School forms part of the Kiambu 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 Senior School- Kiamworia School’s Basic Data and National Information.

School’s Old Name St. Mary’S Secondary School- Kiamworia
School’s New Name St. Mary’S Senior School- Kiamworia
Cluster C3
Gender Girls
Accomodation Type Boarding
Region Central
County Kiambu
Sub County Gatundu South
UIC Code N9JJ
KNEC Code 11212128
Type of School Public
Regular or SNE Regular
Disability Type None

St. Mary’S Senior School- Kiamworia 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 Senior School- Kiamworia 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 Senior School- Kiamworia’s Background and History.

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

Location of St. Mary’S Senior School- Kiamworia.

St. Mary’S Senior School- Kiamworia’s exact physical location is in Kiambu County, Gatundu South in the Central Region of the  Republic of Kenya.

What to know about Central Region’s Senior Schools.

Central is the home of some of the best and highly competitive Senior Schools in Kenya. St. Mary’S Senior School- Kiamworia, just like other Senior schools in the region, favourably compete in co-curricular activities, academics and Infrastructural development. Before joining  St. Mary’S Senior School- Kiamworia, confirm the pathways it offers.

Frequently Asked Questions About St. Mary’S Senior School- Kiamworia.

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

The UIC Code for St. Mary’S Senior School- Kiamworia is N9JJ.

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

St. Mary’S Senior School- Kiamworia is a Boarding Senior School.

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

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

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

The Official Knec Code for St. Mary’S Senior School- Kiamworia is 11212128.

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

St. Mary’S Senior School- Kiamworia is located in Kiambu County.

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

St. Mary’S Senior School- Kiamworia is a Girls Senior School.

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

St. Mary’S Senior School- Kiamworia was formerly called St. Mary’S Secondary School- Kiamworia.

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

St. Mary’S Senior School- Kiamworia is now classified as a C3 Senior School.

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

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

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

St. Mary’S Senior School- Kiamworia is found in Gatundu South Subcounty of Kiambu County; in the Central Region of the Republic of Kenya.

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

St. Mary’S Senior School- Kiamworia 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.