<Tr> <Th_colspan="2"> San Marcos High School </Th> </Tr> <Tr> <Th_colspan="2"> Address </Th> </Tr> <Tr> <Td_colspan="2"> 2601 East McCarty Lane San Marcos, Texas 78666 United States </Td> </Tr> <Tr> <Th> Coordinates </Th> <Td> 29 ° 50 ′ 29" N 97 ° 58 ′ 21" W ﻿ / ﻿ 29.84139 ° N 97.97250 ° W ﻿ / 29.84139; - 97.97250 Coordinates: 29 ° 50 ′ 29" N 97 ° 58 ′ 21" W ﻿ / ﻿ 29.84139 ° N 97.97250 ° W ﻿ / 29.84139; - 97.97250 </Td> </Tr>

When does school start for san marcos high school