Gathiru Secondary School is a public C3 boys’ boarding senior school in Gatundu South Sub-county, Kiambu County. The 2026 senior-school register identifies the institution using the information below.
Gathiru Secondary School: Location and Registration
- County: Kiambu
- Sub-county: Gatundu South
- Ownership: Public
- Senior-school cluster: C3
- School type: boys’ boarding
- KNEC code: 11212115
- School UIC: 74WJ
Gathiru Secondary School: Grade 10 Admissions and Subject Choices
Admission and placement follow the Ministry of Education’s Grade 10 senior-school selection process. Learners should use the official placement portal to confirm the institution, its offered subjects, reporting dates and admission requirements. STEM, Social Sciences and Arts and Sports Science are national pathways; an individual school may offer only a selection of these and their subject combinations.
Gathiru Secondary School: Fees and Payment Information
For 2026, the government’s boarding-school parent contribution ceilings vary by approved fee tier and may be KSh 53,554 or KSh 40,535 annually. The school’s exact approved tier is not verified here. Families should request the current official joining instructions and fee breakdown from the school, and verify all payment information before making a transfer.
Gathiru Secondary School: Contacts and Academic Results
Confirm the school’s current telephone number, email, postal address, official website and verified examination results directly with the administration. Historical directory details or old KCSE results may not reflect current information.

School register reference: Gathiru Secondary School school profile.

