DO MEMO NO. 444, S. 2021. PARTICIPATION OF SCHOOL HEADS IN THE ONLINE SURVEY ON THE NUMBER OF TEACHING HOURS Posted on November 29, 2021 by DepEd Mandaluyong Leave a comment DO MEMO NO. 444, S. 2021. PARTICIPATION OF SCHOOL HEADS IN THE ONLINE SURVEY ON THE NUMBER OF TEACHING HOURS Memorandum Numbered