DM NO. 823, S. 2026 CONDUCT OF VALIDATION OF SCHOOLS FOR THE OPLAN KALUSUGAN SA DEPED-HEALTHY LEARNING INSTITUTIONS (OKD-HLI) CERTIFICATIONS Posted on June 24, 2026 by DepEd Mandaluyong Leave a comment DM NO. 823, S. 2026 CONDUCT OF VALIDATION OF SCHOOLS FOR THE OPLAN KALUSUGAN SA DEPED-HEALTHY LEARNING INSTITUTIONS (OKD-HLI) CERTIFICATIONS Memorandum Numbered