For MHS, CMSHS & HHIS: 3-Day Live-in-Orientation-Workshop on the New Roles, Functions & Structures of the Schools Division Office (SDO) on February 5-7, 2015 Posted on January 23, 2015 by MSM13 Leave a comment 1463. 3-Day Live-in-Orientation-Workshop on the New Roles, Functions & Structures of the Schools Division Office (SDO) Memorandum