For Public and Private Elementary & Secondary Schools: D.O. MEMO No. 16, GUIDELINES IN ACCOMPLISHING THE REVISED SCHOOL FORM SF5 AND SF6 Posted on April 11, 2016 by marksherwinmagsombol Leave a comment 3070. D.O. MEMO No. 16, GUIDELINES IN ACCOMPLISHING THE REVISED SCHOOL FORM SF5 AND SF6 Memorandum