For Public & Private Elementary and Secondary Schools: UNDERSTANDING THE LANDSCAPE OF HIGH PERFORMING EDUCATION SYSTEM ANTECEDENCE, SALIENCE AND CONGRUENCE Posted on September 14, 2017 by DepEd Mandaluyong Leave a comment 17-09-077. UNDERSTANDING THE LANDSCAPE OF HIGH PERFORMING EDUCATION SYSTEM ANTECEDENCE, SALIENCE AND CONGRUENCE Memorandum Unnumbered