For Public and Private Elementary and Secondary Schools: POSTPONEMENT OF THE ADMINISTRATION OF 2017 LANGUAGE ASSESSMENT FOR PRIMARY GRADE AND NATIONAL ACHIEVEMENT TEST FOR GRADES 6 AND 10. Posted on February 21, 2017 by DepEd Mandaluyong Leave a comment 17-02-085.POSTPONEMENT OF THE ADMINISTRATION OF 2017 LANGUAGE ASSESSMENT FOR PRIMARY GRADE AND NATIONAL ACHIEVEMENT TEST FOR GRADES 6 AND 10. Memorandum