Paaralang Elementarya or elementary education is the first part of the educational system, and it includes the first six years of compulsory education from grade 1 to 6, with an optional 7th grade offered by some schools. Major subjects include maths, science, English, Filipino and social sciences. Optional subjects include music, arts, physical education, and health. Private school students may select subjects from a wider curriculum including religious instruction in the dogma of their choice.