Senior-school information — 2026 intake
- Senior-school cluster
- C1
- County
- KAJIADO
- Administrative subcounty
- KAJIADO NORTH
- KNEC code
- 31500026
- UIC
- 3YA9
- Gender
- Boys
- Day / boarding
- Boarding
- Ownership
- Public
C1 is the senior-school cluster that corresponds to the former national schools.
Cluster explanation: Government of Kenya, MyGov, 24 June 2025.
2026 public boarding-school parent fee ceiling: KSh 53,554 or KSh 40,535, depending on the school's previously approved tier. We have not verified this school's tier; ask the school for its approved fee schedule.
Fee source: Kenya Gazette Notice No. 1449, effective 5 January 2026. For joining instructions, use the government placement portal. The original admission-letter link currently redirects to a missing page.
Cluster and identifiers: December 2025 senior-school list, row 38. This list is hosted by Education News and attributed to the Ministry of Education.
Other dated register details: Teachers Arena (Ministry register mirror), row 1837. Published 2025-06-01; captured 2026-09-10.
The dated register does not confirm current vacancies, school-specific fees, boarding capacity or support services.
The earlier directory record and historical information are retained below.
Earlier directory summary
Oloolaiser High Sch is in Kajiado County (Kajiado North Constituency).
Oloolaiser High Sch is a boys boarding secondary school.
Oloolaiser High School is a government boys’ boarding school located in Ngong, Ngong Township Sub location, Ngong Location, Ngong Division, Kajiado North Constituency in Kajiado County.
The school was established in 1967 and opened by the first president of the Republic of Kenya, Mzee Jomo Kenyatta as a harambee day mixed secondary school in the early 1970s. The present day Oloolaiser High School has grown and expanded exponentially to a three stream boarding boys only high school.The school stands on a 38 piece acre land with 640 students and 32.students.
The High School has prided itself in producing alumni who have ended up being notable leaders and pacesetters in their various fields in Kenya and beyond by offering uniquely competitive subjects that give their alumni that upper hand over learners from other schools.
Earlier directory details
Legacy directory code: R7040388
Address: 71 Ngong Hills
Level: Secondary School
Day/Boarding: Boarding
Gender: Boys
Ownership: Public
Sponsor: Central Government/DEB
Student Needs: Ordinary
Facts
Acreage: 38
Acreage per enrolment: 10.8
Pupil Teacher Ratio: 0.0
Total Enrolment: 410
Total Teaching staff: 32
Location
County: Kajiado
Constituency: Kajiado North
Province: Rift Valley
District: Kajiado
Division: Ngong
Location: Ngong
Sub Location: Ngong Township
Staff
TSC Male Teachers: 10
TSC Female Teachers: 21
Local Authority Male Teachers: 0
Local Authority Female Teachers: 0
PTA Board of Governors Male Teacher: 1
PTA Board of Governors Female Teacher: 0
Other Male Teachers: 0
Other Female Teachers: 0
Non Teaching Staff Male: 16
Non Teaching Staff Female: 5
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