From the 1986-2006 cohort of students who entered first year of primary school in 1986: 27% did not finish primary school; 55.8% did not finish junior high school; 75.5 did not finish senior high school.  (ESR, World Bank, 2007)

Only 7 % of student who finished school came from the poorest 20% of the population. Only 1% of university students came from the bottom 20%.

70% of all university students came from the top 20% wealth-wise.

According to a study in Yogyakarta region: 52% of the costs of running a primary school/madrasah ibtidaiyah and 47% of running a junior high school are still borne directly by families.

see: http://cetak.kompas.com/read/xml/2009/11/26/02554734/kaum.kaya.dan.pendidikan.nasional