As a result of increased educational access, enrollment rates more than doubled between 1996 and 2006. However, education quality is weak, producing high rates of grade repetition and dropout. Education policy in Ravalomanana's second term focused on quality issues, including an increase in minimum education standards for the recruitment of primary teachers from a middle school leaving certificate (BEPC) to a high school leaving certificate (BAC), and a reformed teacher training program to support the transition from traditional didactic instruction to student-centered teaching methods to boost student learning and participation in the classroom. Public expenditure on education was 2.8 percent of GDP in 2014. The literacy rate is estimated at 64.7%.