December 7, 2011 DA 605, s. 2011 – 2012 Philippine Science Youth Club (PSYSC) National Science Congress DA_s2011_605
December 7, 2011 DA 604, s. 2011 – Announcement of the Newly Elected and Sworn-In National Executive Officers of the PSEP DA_s2011_604
December 7, 2011 DA 603, s. 2011 – International Conference on Teaching and Learning with Technology (Ictlt) 2012 DA_s2011_603
December 5, 2011 DA 601, s. 2011 – Ikatlong Pambansang Kongreso ng Wikang Filipino sa mga Paaralang Publiko at Pribado sa Antas Elementarya at Sekundarya DA_s2011_601
December 2, 2011 DA 600, s. 2011 – National Conference Seminar for Private School Heads and Administrators on Curriculum Change DA_s2011_600
December 1, 2011 DA 598, s. 2011 – 2011 International Mathematics Assessments for Schools DA_s2011_598
