The document summarizes the major curricular reforms in basic education in the Philippines from 1946 to 2013. It outlines the changes to elementary and secondary education curricula over this period, including the introduction of new plans like the 2-2 plan in 1957, the Revised Secondary Education Program in 1973, the New Secondary Education Curriculum in 1989, and the 2002 Basic Education Curriculum. It also notes the implementation of the K-12 program beginning in 2012 as the expansion of basic education to include kindergarten and 2 additional years of senior high school.