| 1951 |
Sky View Academy |
Kasarani |
Primary |
| 1952 |
Skylife Centre |
Dagoretti |
Primary |
| 1953 |
Skymark Education Centre |
Njiru |
Primary |
| 1954 |
Skyrock Academy |
Njiru |
Primary |
| 1955 |
Skyrock School |
Embakasi |
Primary |
| 1956 |
Small - Angels Education Centre |
Dagoretti |
Primary |
| 1957 |
Smart Brains Education Centre |
Kasarani |
Primary |
| 1958 |
Smart Care Junior School K South |
Njiru |
Primary |
| 1959 |
Smart Choice School |
Njiru |
Primary |
| 1960 |
Smart Kids Angel - Kariobangi South |
Njiru |
Primary |
| 1961 |
Smart Ranked Academy |
Kasarani |
Primary |
| 1962 |
Smartchild Education Center Primary |
Embakasi |
Primary |
| 1963 |
Solid Rock Foundation |
Makadara |
Primary |
| 1964 |
Solidarity Child Rescue C School |
Kasarani |
Primary |
| 1965 |
Solidarity Primary School |
Njiru |
Primary |
| 1966 |
Solomon Minds School |
Dagoretti |
Primary |
| 1967 |
Sos Hermann Gmeiner |
Kamukunji |
Primary |
| 1968 |
Soul Mercy Primary |
Njiru |
Primary |
| 1969 |
Source Of Joy Academy |
Embakasi |
Primary |
| 1970 |
South B Baptist - Primary |
Makadara |
Primary |
| 1971 |
South B Happy Angels School |
Makadara |
Primary |
| 1972 |
Soweto Academy |
Langata |
Primary |
| 1973 |
Soweto Baptist Shinning |
Embakasi |
Primary |
| 1974 |
Soweto Complex School |
Embakasi |
Primary |
| 1975 |
Soweto Revelation Academy- Primary |
Embakasi |
Primary |
| 1976 |
Soweto Victory Hope |
Langata |
Primary |
| 1977 |
Spice Junior Academy |
Embakasi |
Primary |
| 1978 |
Splash Community Primary School |
Kamukunji |
Primary |
| 1979 |
Sportsview Schools |
Kasarani |
Primary |
| 1980 |
Spotlight Education Centre |
Mathare |
Primary |
| 1981 |
Spring Field Embawala Academy |
Njiru |
Primary |
| 1982 |
Spring Junior Educational Centre |
Njiru |
Primary |
| 1983 |
Spring Of Hope |
Njiru |
Primary |
| 1984 |
Spring Of Mercy Primary |
Njiru |
Primary |
| 1985 |
Spring Valley |
Njiru |
Primary |
| 1986 |
Springdales Junior Academy |
Westlands |
Primary |
| 1987 |
Springfield Academy |
Kasarani |
Primary |
| 1988 |
Springs Of Hope Academy |
Embakasi |
Primary |
| 1989 |
Springs Of Wisdom High School |
Dagoretti |
Primary |
| 1990 |
Spurgeons Primary School |
Kibra |
Primary |
| 1991 |
St. Agnes Junior |
Njiru |
Primary |
| 1992 |
St. Agnes Learning Centre |
Kasarani |
Primary |
| 1993 |
St. Alloys Fp Academy |
Embakasi |
Primary |
| 1994 |
St. Andrew Justana Academy |
Kasarani |
Primary |
| 1995 |
St. Angela Community Centre |
Embakasi |
Primary |
| 1996 |
St. Ann Day Care |
Mathare |
Primary |
| 1997 |
St. Ann Lifred |
Kasarani |
Primary |
| 1998 |
St. Ann Lifred Academy |
Kasarani |
Primary |
| 1999 |
St. Anne Kasarani School |
Kasarani |
Primary |
| 2000 |
St. Anne Pre and Primary Catholic School |
Langata |
Primary |