DA NO. 159, S. 2026. ADVISORY ON SCHEDULE OF THE NATIONAL SIMULTANEOUS SCHOOL SAFETY DRILL AND IMPLEMENTATION GUIDELINES FOR ITS CONDUCT Posted on September 1, 2026 by DepEd Mandaluyong Leave a comment DA NO. 159, S. 2026. ADVISORY ON SCHEDULE OF THE NATIONAL SIMULTANEOUS SCHOOL SAFETY DRILL AND IMPLEMENTATION GUIDELINES FOR ITS CONDUCT Advisory
