DM NO. 1419, S. 2026 ADDITIONAL SCHEDULE ON THE DEPARTMENT OF HEALTH REGIONAL VALIDATION FOR HEALTHY LEARNING INSTITUTION CERTIFICATION 2026 Posted on October 15, 2026 by DepEd Mandaluyong Leave a comment DM NO. 1419, S. 2026 ADDITIONAL SCHEDULE ON THE DEPARTMENT OF HEALTH REGIONAL VALIDATION FOR HEALTHY LEARNING INSTITUTION CERTIFICATION 2026 Memorandum Numbered