Tisd Calendar 24-25. Gcisd’s first day of school will. S m t w th f s s m t w th f s s m t w th f s s m t w th f s august september october december january february april may june aug.
14, 2024, with the last day of school set for may 22, 2025. The staff development day that is currently on the day before spring break has moved to the thursday.