Universities and Colleges

St Mary’S Osorongai Senior School in Uasin Gishu

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

This Day Senior School forms part of the Uasin Gishu 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 Osorongai Senior School School’s Basic Data and National Information.

School’s Old Name St Mary’S Osorongai Secondary School
School’s New Name St Mary’S Osorongai Senior School
Cluster C4
Gender Mixed
Accomodation Type Day
Region Rift Valley
County Uasin Gishu
Sub County Turbo
UIC Code HNSL
KNEC Code 26509119
Type of School Public
Regular or SNE Regular
Disability Type None

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

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

Location of St Mary’S Osorongai Senior School.

St Mary’S Osorongai Senior School’s exact physical location is in Uasin Gishu County, Turbo in the Rift Valley Region of the  Republic of Kenya.

What to know about Rift Valley Region’s Senior Schools.

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

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

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

The UIC Code for St Mary’S Osorongai Senior School is HNSL.

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

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

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

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

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

The Official Knec Code for St Mary’S Osorongai Senior School is 26509119.

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

St Mary’S Osorongai Senior School is located in Uasin Gishu County.

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

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

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

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

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

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

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

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

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

St Mary’S Osorongai Senior School is found in Turbo Subcounty of Uasin Gishu County; in the Rift Valley Region of the Republic of Kenya.

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

St Mary’S Osorongai 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.