An Act amending the "Public School Code of 1949," approved March 10, 1949 (P. L. 30, No. 14), withdrawing gradually the authority of school districts and city councils coterminous with districts of the first class to levy a local school surtax upon personal income; increasing the share of financial participation by the Commonwealth and decreasing the share of school districts and revising State school subsidy formulae accordingly; and requiring a judicial hearing before counties, municipalities and townships may increase real property taxes beyond certain limits.