San Marcos High School Calendar. San marcos high school is a 6a comprehensive high school serving approximately 2,500 students in grades 9 through 12. Winter recess (no school)all dayevent winter recess (no school), on wednesday january 1st 2025 all day + 1

This needs to be turned in before we officially start the season on august 12th~ once school starts in august, cross country practice is everyday,. San marcos cisd does not discriminate on the basis of race, religion, color, national origin, sex, age, or disability in providing employment, education, or providing access to benefits of.