For Public & Private Elementary & Secondary Schools: Change in & Additional Provisions to DepEd Memorandum No. 15, s. 2014 (Training of Trainers (TOT) & Mass Training of Grades 3 & 9 Teachers) Posted on May 15, 2014 by MSM13 Leave a comment 511. Change in & Additional Provisionsto DepEd Memorandum No. 15, s. 2014 (Training of Trainers (TOT) & Mass Training of Grades 3 & 9 Teachers) Memorandum