SDO Advisory No. 024, s. 2021 – for information and dissemination on DepEd Memorandum No. OUA 00-1021-0051 entitled Level-Up Synchronous Learning Through Classpoint (Maximizing the use of PowerPoint)
SDO Advisory No. 023, s. 2021 – for information and participation to DepEd Memorandum No. OUA 00-0821-0036 entitled Amendment to OUA Memo No. 16-0721-0735 on National Virtual Orientation on the use of the DepEd Sports Manual for Sports Managers and Officers
SDO Advisory No. 022, s. 2021 – for information and implementation on DepEd Memorandum No. DM-OUCI-2021-345, s. 2021 entitled Online Survey of Senior High School Explainer Video (Career Guidance Material for Grade 10 Learners)
SDO Advisory No. 021, s. 2021 – for information and appropriate action on DepEd Memorandum entitled Request for Assistance in the Pre-Registration of Teachers in the Professional Development Program on Assessment and Emerging Literacies with Focus on PISA
SDO Advisory No. 018, s. 2021 – for information and implementation on OUA Memo No. 00-0821-011, s. 2021 entitled Registration and Submission of Reports for the Back to School: Let a Million Flowers Bloom Project
SDO Advisory No. 017, s. 2021 – for information and implementation on OUA Memo No. 00-0821-0112, s. 2021 entitled Reiteration of Planting and Accounting of Malunggay/Moringa Trees in Public Schools
SDO Advisory No. 016, s. 2021 – for information and dissemination on RM No. 336, s. 2021 entitled Submission of Entry for CreASEAN: An Art-Narking Contest Commemorating ASEAN Day
SDO Advisory No. 014, s. 2021 – for information and dissemination on DepEd Advisory on Application Period for Incoming Grade 7 Students in the Philippine Science High School (PSHS) for SY 2022-2023
SDO Advisory No. 011, s. 2021 – For information and dissemination on the Nationwide Science Communication Competition of the Philippine Science High School (PSHS)
SDO Advisory No. 005, s. 2021 – for information, compliance and dissemination on the DepEd’s “ETULAY” online tutorials: a Way to Upgrade Teachers Instructions
SDO Advisory No. 003, s. 2021 – for information and dissemination on the Capacity Building in Science Communication of the Philippine Science High School for Grade 10 Learners