An Act amending the act of March 10, 1949 (P.L.30, No.14), known as the Public School Code of 1949, in preliminary provisions, further providing for definitions; in terms and courses of study, further providing for subjects of instruction and flag code and providing for handwriting instruction required; and, in charter schools, further providing for provisions applicable to charter schools and for applicability of other provisions of this act and of other acts and regulations.