FOR PUBLIC ELEMENTARY AND SECONDARY SCHOOLS: CONDUCT OF THE CY 2019 4TH QUARTER NATIONWIDE SIMULTANEOUS EARTHQUAKE DRILL (NSED) Posted on November 14, 2019 by DepEd Mandaluyong Leave a comment 19-11-65. CONDUCT OF THE CY 2019 4TH QUARTER NATIONWIDE SIMULTANEOUS EARTHQUAKE DRILL (NSED) Memorandum Unnumbered