DM NO. 1489, S. 2025. GUIDELINES ON THE CONDUCT OF THE SCHOOL YEAR 2025-2026 IN-SERVICE TRAINING FOR TEACHERS Posted on October 9, 2025 by Leave a comment DM NO. 1489, S. 2025. GUIDELINES ON THE CONDUCT OF THE SCHOOL YEAR 2025-2026 IN-SERVICE TRAINING FOR TEACHERS Memorandum Numbered