The document lists DepEd orders from 2003 to 2023 that relate to policies and guidelines for the Philippine education system. Some of the key policies include prohibiting student cellphone use in 2003, permitting primary schools for indigenous communities in 2004, and adopting distance learning plans in 2020-2021 due to COVID-19. The DepEd orders cover various topics ranging from teacher transfers and special education to technology use and enrollment guidelines.