The following are the school hours for GISD schools for the 2018-2019 school year, excluding UIL/athletics and tutorial times:

Elementary Schools (Kindergarten - 5th Grade): 7:55 AM - 3:10 PM
 
Middle Schools: 8:40 AM - 4:00 PM
 
High Schools: 8:45 AM - 3:55 PM
 
 
2018-2019 GISD School Year Calendar
 
To download the calendar in English, click here.
To download the calendar in Spanish, click here.