DIV ADVISORY NO 003 s2023 – POLICY GUIDELINES ON SCHOOL-BASED MANAGEMENTS (SBM) BEST PRACTICES IN DEPED REGION I By DepEd Dagupan IT Unit posted on January 9, 2023 DIV ADVISORY NO 003 s2023 – POLICY GUIDELINES ON SCHOOL BASED MANAGEMENTS (SBM) BEST PRACTICES IN DEPED REGION I