DM NO. 771, S. 2026 CONDUCT OF THE 2ND QUARTER NATIONWIDE SIMULTANEOUS EARTHQUAKE DRILL (NSED) Posted on June 15, 2026 by DepEd Mandaluyong Leave a comment DM NO. 771, S. 2026 CONDUCT OF THE 2ND QUARTER NATIONWIDE SIMULTANEOUS EARTHQUAKE DRILL (NSED) Memorandum Numbered