( CRC/C/OPAC/PHL/Q/1 , para . 5 ) On the one year compulsory Citizen 's Army Training ( CAT ) , which is required for high school students aged 15 and 16 , the Department of Education ( DepEd ) provided the attached copy ( Annex I ) of the Revised Implementing Guidelines of the Citizenship Advancement Training ( CAT ) for both Public and Private Secondary Schools .