Public senior school
St. Mary’s Secondary School- Kiamworia
Also listed as Kiamworia Secondary School.
A senior school in Gatundu South sub-county, Kiambu County. It offers STEM and Social Sciences, with 14 subject combinations.
School details admission facts are for the 2026 intake
- Cluster
- C3Former county schools.
- Gender
- Girls
- Boarding or day
- Boarding
- 2026 fees
- KSh 53,554 or 40,535 per year, depending on the approved tierGovernment-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. Mary’s Secondary School- Kiamworia scored a mean of 2.13 (D-) in KCSE 2010, 3.0 points below the national average, down from 2.24 in 2009.
| 2010 | 2009 | 2008 | 2007 | 2006 | |
|---|---|---|---|---|---|
| Mean | 2.125 | 2.237 | 2.600 | 2.654 | 1.853 |
| Grade | D- | D- | D | D | D- |
| Candidates | 24 | 38 | 25 | 26 | 34 |
Pathways and subject combinations checked 15 October 2026
STEM9 combinationsPure Sciences 2 · Applied Sciences 3 · Technical Studies 4
Social Sciences5 combinationsHumanities & Business Studies 5
Subjects in these combinations · 14
Agriculture, Biology, Business Studies, Chemistry, Christian Religious Education, Computer Studies, Electricity, Fasihi ya Kiswahili, Geography, History & Citizenship, Home Science, Literature in English, Media Technology, PhysicsSenior schools in Kiambu County offering STEM · Social Sciences · Arts & Sports Science
Codes and registration
- KNEC code
- 11212128
- UIC
- N9JJ
- School code
- D2060052
- Level
- Senior school
- Sponsor
- Religious Organisation
- Student needs
- Ordinary
- Postal address
- BOX 89 RUIRU
- 2013 gender
- Mixed
- 2013 boarding or day
- Day
Older records figures from the 2013 records; counts made in 2007
- Students enrolled
- 47
- Teaching staff
- 9
- Students per teacher
- 7.0
- Acres
- 0
- Acreage per enrolment
- 0.0
Staff counted in 2007 ›
| Role | Men | Women | Total |
|---|---|---|---|
| TSC teachers | 6 | 2 | 8 |
| Local authority teachers | 0 | 0 | 0 |
| PTA and board teachers | 1 | 0 | 1 |
| Other teachers | 0 | 0 | 0 |
| Non-teaching staff | 3 | 1 | 4 |
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Data sources
The school description and other details come from the 2013 school data. Staff and facility figures show their recorded years. 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 459 classification and codes
- June 2025 senior-school register, row 2656 checked 14 October 2026
- Kenya Gazette Notice No. 1449 2026 fee schedule
KCSE results
- KNEC for 2006–2010, the school’s audit reports and newspapers since: 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