FOR PUBLIC ELEMENTARY AND SECONDARY SCHOOL HEADS/OFFICERS IN-CHARGE: DEMONSTRATION-TEACHING OF TEACHER-APPLICANTS FOR SCHOOL YEAR 2020-2021 Posted on March 10, 2020 by DepEd Mandaluyong Leave a comment DO MEMO NO. 27, S.2020. DEMONSTRATION-TEACHING OF TEACHER-APPLICANTS FOR SCHOOL YEAR 2020-2021 tagged with Hiring, Recruitment, Teachers Memorandum Numbered