Testing Lab (San Marcos)
- Monday, January 19, 2026 – TXST Closed for MLK Day
- Tuesday, January 20, 2026 – First Day of Classes for Spring 2026
- Monday, January 26, 2026 – CLEP Testing Down for Maintenance
- Monday, February 23, 2026 _ CLEP Testing Down for Maintenance
- Monday, March 16, 2026 through Friday, March 20, 2026 – Closed for Spring Break
- Thursday, April 2, 2026 & Friday, April 3, 2026 – CLEP Testing Down for Maintenance
ATSD (San Marcos)
- Monday, January 19, 2026 – TXST Closed for MLK Day
- Tuesday, January 20, 2026 – First Day of Classes for Spring 2026
- Monday, March 16, 2026 through Friday, March 20, 2026 – Closed for Spring Break
- Wednesday, April 22 - Deadlines to Request Final Exams Begin. Deadlines match to two weeks before the test day.
- Wednesday, April 29 - Last Deadline to Request a Final Exam on May 13.
- Wednesday, May 6, 2026 - Final Exams Begin
- Wednesday, May 13, 2026 - Final Exams End
- Intersession Hours begin May 18 until the Summer Session.
Front Office (San Marcos)
- Monday, January 19, 2026 – TXST Closed for MLK Day
- Tuesday, January 20, 2026 – First Day of Classes for Spring 2026
- Monday, March 16, 2026 through Friday, March 20, 2026 – Closed for Spring Break
- Monday, May 25, 2026 - TXST Closed for Memorial Day
- Friday, June 19, 2026 - TXST Closed for Juneteenth
Testing Center, Round Rock
- Monday, January 19, 2026 – TXST Closed for MLK Day
- Tuesday, January 20, 2026 – First Day of Classes for Spring 2026
- Monday, January 26, 2026 – CLEP Testing Down for Maintenance
- Tuesday, January 27, 2026 – Round Rock Campus Involvement Fair 11:30AM to 1:30PM
- Monday, February 23, 2026 _ CLEP Testing Down for Maintenance
- Monday, March 16, 2026 through Friday, March 20, 2026 – TCRR Closed for Spring Break
- Saturday, March 28, 2026 – Discover Round Rock Day
- Thursday, April 2, 2026 & Friday, April 3, 2026 – CLEP Testing Down for Maintenance