For Public & Private Elementary & Secondary Schools: Policy Guidelines on the Implementation of the Senior HS Voucher Program under the Government Assistance to Students & Teachers in Private Education (GASTPE) Program Posted on May 11, 2015 by MSM13 Leave a comment 1777. Policy Guidelines on the Implementation of the Senior HS Voucher Program under the Government Assistance to Students & Teachers in Private Education (GASTPE) Program Memorandum