DM NO. 1139, S. 2026 CHANGE OF SCHEDULE IN THE DIVISION TECHNICAL ASSISTANCE AND VALIDATION ON HEALTHY LEARNING INSTITUTION CERTIFICATION 2026 Posted on September 1, 2026 by DepEd Mandaluyong Leave a comment DM NO. 1139, S. 2026 CHANGE OF SCHEDULE IN THE DIVISION TECHNICAL ASSISTANCE AND VALIDATION ON HEALTHY LEARNING INSTITUTION CERTIFICATION 2026 Memorandum Numbered