Changes to the political and social contribute to Cambodia's education reform
before 2518 (1975) Thailand country based on the education system,
from which France compulsory 13 years (6 + 4 + 2 + 1),
later by the Ministry of education systems sueksa 2522 (1979) the 10 years (4 + 3 + 3),
and later expanded into the 11-year-old used due to 2529 (1986) 2539 (1996)