DO MEMO NO. 252, S.2021. FRONTLEARNERS ORIENTATION FOR GRADE 8, 9, 11 AND 12 TEACHERS Posted on September 2, 2021 by DepEd Mandaluyong Leave a comment DO MEMO NO. 252, S.2021. FRONTLEARNERS ORIENTATION FOR GRADE 8, 9, 11 AND 12 TEACHERS Memorandum Numbered