For Public Elementary and Secondary Schools: EXTENDED DEADLINE OF APPLICATION OF SENIOR HIGH SCHOOL TEACHER APPLICANTS FOR S.Y. 2017-2018 Posted on March 9, 2017 by DepEd Mandaluyong Leave a comment 17-03-035. EXTENDED DEADLINE OF APPLICATION OF SENIOR HIGH SCHOOL TEACHER APPLICANTS FOR S.Y. 2017-2018 Memorandum