Public senior school
St. Stephens Secondary School-Masii
Also listed as St Stephen’s Secondary School.
A senior school in Mwala sub-county, Machakos County. It offers STEM and Social Sciences, with 6 subject combinations.
School details admission facts are for the 2026 intake
- Cluster
- C4Ministry of Education senior-school cluster.
- Gender
- Mixed
- Boarding or day
- Day
- 2026 fees
- For the listed day-school fee heads, parents are charged KSh 0.Government-set schedule, not an individual school invoice.
- Ownership
- Public
Not released yet for the January 2027 intake. Last year: 19 December 2025. KEMIS placement portal · Get an alert when they’re released.
KCSE results 2006–2010
St. Stephens Secondary School-Masii scored a mean of 3.60 (D+) in KCSE 2010, 1.5 points below the national average, down from 3.78 in 2009.
| 2010 | 2009 | 2008 | 2007 | 2006 | |
|---|---|---|---|---|---|
| Mean | 3.600 | 3.778 | 3.514 | 4.568 | 3.321 |
| Grade | D+ | D+ | D+ | C- | D |
| Candidates | 40 | 36 | 35 | 37 | 28 |
Pathways and subject combinations checked 15 October 2026
STEM3 combinationsPure Sciences 2 · Applied Sciences 1
Social Sciences3 combinationsHumanities & Business Studies 3
Subjects in these combinations · 9
Agriculture, Biology, Business Studies, Chemistry, Computer Studies, Geography, History & Citizenship, Literature in English, PhysicsSenior schools in Machakos County offering STEM · Social Sciences · Arts & Sports Science
Codes and registration
- KNEC code
- 12314118
- UIC
- DMJM
- School code
- H4050036
- Level
- Senior school
- Sponsor
- Religious Organisation
- Student needs
- Ordinary
- Postal address
- 466 MASII
Older records figures from the 2013 records; counts made in 2007
- Students enrolled
- 145
- Teaching staff
- 9
- Students per teacher
- 16.1
- Acres
- 4
- Acreage per enrolment
- 36.2
Staff counted in 2007 ›
| Role | Men | Women | Total |
|---|---|---|---|
| TSC teachers | 5 | 2 | 7 |
| PTA and board teachers | 2 | 0 | 2 |
| Non-teaching staff | 1 | 1 | 2 |
Something out of date? Suggest a correction. Work at this school?
Data sources
The school description and other details come from the 2013 school data. Classification and codes come from the 2026 senior-school register.
Register, pathways and fees
- Ministry of Education Grade 10 selection portal (KEMIS) pathways, combinations, emblem · checked 15 October 2026
- December 2025 senior-school list, row 3659 classification and codes
- June 2025 senior-school register, row 4854 checked 1 October 2026
- Kenya Gazette Notice No. 1449 2026 fee schedule
KCSE results
- KNEC for 2006–2010: every source, on the results page 2006–2010
2013 school data
- Kenya Open Data Initiative 2013 school data
Map
- © OpenStreetMap contributors; county outline: IEBC via UN OCHA map data