San Marcos CISD staff and students will see a slight change in their upcoming academic calendar. The board of trustees adopted an Additional Days School Year calendar, or ADSY, which will add six instructional days to garner more state funding for SMCISD's summer learning program.
The board voted 6-1 at its April 20 meeting to rescind the 2026-27 academic calendar approved in January, and 4-2 to adopt a new calendar in line with ADSY.
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The board first considered the ADSY calendar at its March 23 board meeting. According to Chief of Communications Andrew Fernandez, the calendar would add between one and 30 additional half-days, which would generate half-day formula funding through the Texas Education Agency.














