Aldai Boys Senior School (formerly called Aldai Boys Secondary School) is a C3 Public Boys Senior School that is physically located in Nandi County, Nandi South Sub County  in the Rift Valley Region of the  Republic of Kenya. This article provides all the details about Aldai Boys Senior School, including: the school’s cluster, level, UIC Code, Knec Code, Admissions and location.

This Boarding Senior School forms part of the Nandi Education Network and has fully transitioned to a Senior School that offers Competency Based Education (CBE) Curriculum to Grade 10, 11 and 12 Learners.

Aldai Boys Senior School School’s Basic Data and National Information.

School’s Old Name	Aldai Boys Secondary School
School’s New Name	Aldai Boys Senior School
Cluster	C3
Gender	Boys
Accomodation Type	Boarding
Region	Rift Valley
County	Nandi
Sub County	Nandi South
UIC Code	JRWD
KNEC Code	29523210
Type of School	Public
Regular or SNE	Regular
Disability Type	None

Aldai Boys 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 Aldai Boys 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.

Aldai Boys Senior School’s Background and History.

Aldai Boys Senior School, historically known as Aldai Boys Secondary School, has played a very key role in the Kenyan Education Sector and more particularly in Nandi 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, Aldai Boys Senior School admitted the first grade 10 learners under the CBE Curriculum.

Location of Aldai Boys Senior School.

Aldai Boys Senior School’s exact physical location is in Nandi County, Nandi South 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. Aldai Boys Senior School, just like other Senior schools in the region, favourably compete in co-curricular activities, academics and Infrastructural development. Before joining  Aldai Boys Senior School, confirm the pathways it offers.

Frequently Asked Questions About Aldai Boys Senior School.

1. What is the UIC Code for Aldai Boys Senior School?

The UIC Code for Aldai Boys Senior School is JRWD.

2. Is Aldai Boys Senior School a Boarding or Day School?

Aldai Boys Senior School is a Boarding Senior School.

3. What CBE Grades are taught at Aldai Boys Senior School?

Aldai Boys Senior School offers CBE Senior Schools Grades at Grade 10, 11 and 12.

4. What is the Knec Code for Aldai Boys Senior School?

The Official Knec Code for Aldai Boys Senior School is 29523210.

5. In Which County is Aldai Boys Senior School Found?

Aldai Boys Senior School is located in Nandi County.

6. Does Aldai Boys Senior School admit Boys, Girls or Both?

Aldai Boys Senior School is a Boys Senior School.

7. What was Aldai Boys Senior School’s Fomer Name under the 8-4-4 Education System?

Aldai Boys Senior School was formerly called Aldai Boys Secondary School.

8. What is Aldai Boys Senior School’s New Cluster?

Aldai Boys Senior School is now classified as a C3 Senior School.

9. Is there SNE Support for Learners at Aldai Boys Senior School?

Aldai Boys Senior School offers support for Regular learners. The school’s Disability Type is None.

10. Where is Aldai Boys Senior School Located?

Aldai Boys Senior School is found in Nandi South Subcounty of Nandi County; in the Rift Valley Region of the Republic of Kenya.

11. Is a Aldai Boys Senior School Private or Public School?

Aldai Boys 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.