All Keller ISD high school campuses (grades 9-12) will observe an Early Release Day on Wednesday, May 20, and all Keller ISD campuses (grades PreK-12) will release early Thursday, May 21, as the 2025-26 school year comes to a close. 

Visit www.KellerISD.net/Calendar/EarlyRelease for the latest campus early release times. 

Thursday, May 21 will be the last day of the 2025-26 school year.

Download a printable version of Keller ISD's 2025-26 Instructional Calendar