Sao Tome and Principe | Secondary school starting age (years)
Secondary school starting age is the age at which students would enter secondary education, assuming they had started at the official entrance age for the lowest level of education, had studied full-time throughout and had progressed through the system without repeating or skipping a grade.
| year | value |
|---|---|
| 1960 | |
| 1961 | |
| 1962 | |
| 1963 | |
| 1964 | |
| 1965 | |
| 1966 | |
| 1967 | |
| 1968 | |
| 1969 | |
| 1970 | 11 |
| 1971 | 11 |
| 1972 | 11 |
| 1973 | 11 |
| 1974 | 11 |
| 1975 | 11 |
| 1976 | 11 |
| 1977 | 11 |
| 1978 | 11 |
| 1979 | 11 |
| 1980 | 11 |
| 1981 | 11 |
| 1982 | 11 |
| 1983 | 11 |
| 1984 | 11 |
| 1985 | 11 |
| 1986 | 11 |
| 1987 | 11 |
| 1988 | 11 |
| 1989 | 11 |
| 1990 | 11 |
| 1991 | 11 |
| 1992 | 11 |
| 1993 | 11 |
| 1994 | 11 |
| 1995 | 11 |
| 1996 | 11 |
| 1997 | 11 |
| 1998 | 11 |
| 1999 | 13 |
| 2000 | 13 |
| 2001 | 13 |
| 2002 | 13 |
| 2003 | 13 |
| 2004 | 13 |
| 2005 | 13 |
| 2006 | 12 |
| 2007 | 12 |
| 2008 | 12 |
| 2009 | 12 |
| 2010 | 12 |
| 2011 | 12 |
| 2012 | 12 |
Sao Tome and Principe | Secondary school starting age (years)
Secondary school starting age is the age at which students would enter secondary education, assuming they had started at the official entrance age for the lowest level of education, had studied full-time throughout and had progressed through the system without repeating or skipping a grade.