FOR PUBLIC/PRIVATE ELEMENTARY AND SECONDARY SCHOOLS: ORIENTATION MEETING ON UPDATING AND VALIDATION BASIC EDUCATION STATISTICS FOR THE BOSY 2018-2019 OF THE LEARNER INFORMATION SYSTEM AND ENHANCED BASIC EDUCATION INFORMATION SYSTEM Posted on October 30, 2018 by DepEd Mandaluyong Leave a comment 18-10-158. ORIENTATION MEETING ON UPDATING AND VALIDATION BASIC EDUCATION STATISTICS FOR THE BOSY 2018-2019 OF THE LEARNER INFORMATION SYSTEM AND ENHANCED BASIC EDUCATION INFORMATION SYSTEM Memorandum Unnumbered