DM NO. 1237, S. 2026 CHANGE IN THE SCHEDULE OF TECHNICAL ASSISTANCE AND DIVISION VALIDATION FOR HEALTHY LEARNING INSTITUTION CERTIFICATION Posted on September 16, 2026 by DepEd Mandaluyong Leave a comment DM NO. 1237, S. 2026 CHANGE IN THE SCHEDULE OF TECHNICAL ASSISTANCE AND DIVISION VALIDATION FOR HEALTHY LEARNING INSTITUTION CERTIFICATION Memorandum Numbered