Policies have been developed to attempt to limit these inequalities. Some universities have lowered their minimum entry requirement or created scholarships for students from "less-endowed secondary schools". A "Girls Education unit" was created within the Ghana Education Service to reduce gender-based disparities. The unit tries to tackle the problem at its source, focusing on basic education to avoid high all-girls school drop-out rates from to . Progress has been made; between 1999 and 2005, the proportion of girls in higher education has increased from 25% to 32%. However, women are still underrepresented, for numerous reasons, including hostile school environments, priority given to sons in poor families, the perpetuation of gender roles ("a woman belongs in the house"), early arranged marriages, teenage pregnancy, etc.