DM NO. 487, S. 2022. RE-OPENING SCHOOLS SAFELY: INTRODUCTION OF SAFE MANAGEMENT MEASURES FOR SCHOOL SETTINGS Posted on June 1, 2022 by DepEd Mandaluyong Leave a comment DM NO. 487, S. 2022. RE-OPENING SCHOOLS SAFELY: INTRODUCTION OF SAFE MANAGEMENT MEASURES FOR SCHOOL SETTINGS Memorandum Numbered