The Alternative Learning System is a parallel learning system in the Philippines that provides a practical option to the existing formal instruction. When one does not have or cannot access formal education in schools, ALS is an alternate or substitute. ALS includes both the non-formal and informal sources of knowledge and skills.

Program administration is held by the Department of Education, an agency of the government of the Philippines in charge of providing education to all Filipinos. Private non-government organization may deliver the program but still under the supervision of the Philippine education agency.