Masii Girls Senior School, formerly Masii Girls’ Secondary School, is a C2 public girls’ boarding senior school located in Mwala Sub-County, Machakos County, within Kenya’s Eastern Region.
The institution operates under the Competency-Based Curriculum (CBC) and currently hosts learners in Grades 10, 11, and 12.
The school has fully transitioned to a Senior School following Kenya’s education reform.
Learners joining the School specialise in one of the three approved CBC senior school pathways:
- STEM (Science, Technology, Engineering, and Mathematics)
- Social Sciences (Humanities and Business Studies)
- Arts and Sports (Performing Arts, Visual Arts, and Physical Education)
Masii Girls’ Senior School is classified under the regular SNE category, offering boarding accommodation for all enrolled students.
Official School Data and National Codes
- Official Name: Masii Girls’ Senior School
- Former Name: Masii Girls’ Secondary School
- KNEC Code: 12314114
- UIC Code: J2RJ
- Serial Number (SN): 4820
- School Category: C2 Public Girls’ School
- Accommodation: Boarding
- County: Machakos
- Sub-County: Mwala
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KCSE Results and Fees
Historically, the school has played a key role in girls’ education within Machakos County.
In 2024, the institution enrolled 645 students under the leadership of Principal Margaret Njeru.
Under Ministry of Education guidelines effective January 2026, fees for public senior secondary schools were standardised based on institutional classification.
As a C2 category public senior school, Masii Girls Secondary has an official annual tuition fee of Ksh45,054.
However, the total cost for boarding students may be higher once additional approved charges are included.
These may cover uniforms, personal effects, and development-related contributions, depending on school requirements.
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Therefore, parents and guardians are advised to consult the school’s official fee structure for a detailed breakdown.
Contact and Location Details
Masii Girls’ Senior School is situated in Mwala Sub-County, Machakos County, Eastern Region.
- Secondary Phone: 0712 154 546
- Email: [email protected]
The school administration handles admissions, academic inquiries, and CBC senior school placement matters through its official contacts.
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Machakos County. PHOTO/KU Post Modern Library-FB
