CORRIGENDUM TO DIVISION MEMORANDUM NO. 19, S. 2021 (HIRING GUIDELINES FOR TEACHER I POSITIONS IN THE ELEMENTARY AND JUNIOR HIGH SCHOOL FOR SCHOOL YEAR 2021-2022) AND DIVISION MEMORANDUM NO. 20, S. 2021 (HIRING GUIDELINES FOR SENIOR HIGH SCHOOL (SHS) TEACHING POSITIONS FOR SCHOOL YEAR 2021-2022)