The San Marcos CISD board of trustees approved the academic calendar for the 2019-20 schoik year at its Feb. 18 meeting. Trustees considered two different calendars and voted unanimously for the first option, a decision that aligned with the majority of parents in the district who took a survey about which calendar they preferred. Here are the major dates: August 13 Teachers go back to school 26 First day of school September 2 Labor Day November 25-29 Thanksgiving Dec. 20-Jan. 3 Holiday break January 20 Martin Luther King, Jr. Day March 16-20 Spring break April 10 Good Friday May 25 Memorial Day 29 Last day of school