DM NO. 1291, S. 2022. WORKSHOP ON THE FORMULATION OF THE SCHOOL IMPROVEMENT PLAN (SIP) ANCHORED TO THE DIVISION EDUCATION DEVELOPMENT PLAN (DEDP) Posted on December 2, 2022 by DepEd Mandaluyong Leave a comment DM NO. 1291, S. 2022. WORKSHOP ON THE FORMULATION OF THE SCHOOL IMPROVEMENT PLAN (SIP) ANCHORED TO THE DIVISION EDUCATION DEVELOPMENT PLAN (DEDP) Memorandum Numbered