TX School Calendar

Williamson County school calendars

Round Rock ISD school calendars

Plan with Round Rock ISD’s official 2026-2027 and 2027-2028 calendars, including student holidays, breaks, grading periods, and school hours.

Published calendars

Choose a school year

2026–2027 District calendar

First day: Aug 19, 2026
Last day: May 27, 2027

View holidays, breaks & school hours →

2027–2028 District calendar

First day: Aug 18, 2027
Last day: May 25, 2028

View holidays, breaks & school hours →

Common questions

Round Rock ISD calendar questions

Has Round Rock ISD published its 2028-2029 school calendar yet?

As of October 6, 2026, Round Rock ISD’s official Calendars page lists the 2026-2027 and 2027-2028 calendars but does not list a 2028-2029 district calendar. Check that page for new releases.