DO MEMO NO. 266, S.2021. VIRTUAL REGIONAL KICK-OFF FOR THE OPENING OF THE SCHOOL YEAR 2021-2022 Posted on September 9, 2021 by DepEd Mandaluyong Leave a comment DO MEMO NO. 266, S.2021. VIRTUAL REGIONAL KICK-OFF FOR THE OPENING OF THE SCHOOL YEAR 2021-2022 Memorandum Numbered