Batas Pambansa Blg. 232 (Education of 1982)
Educational System in Formal Education;
Section 20. Definition - "Formal Educational" refers to the hierarchically structured and chronologically graded learning organized and provided by the formal school system and for which certification is required in order for the learner to progress through the grades or move to higher levels. Formal education shall correspond to the following levels:
1. Elementary Education. - the first stage of compulsory, formal education primarily concerned with providing basic education and usually corresponding to six or seven grades, including pre-school programs.
2. Secondary Education. - the state of formal education following the elementary level concerned primarily with continuing basic education and expanding it to include the learning of employable gainful skills, usually corresponding to four years of high school.