Williamson County Schools First Day of School 2027 Mark Monday, August 9, 2027: that is when Williamson County Schools students go back to school in 2027, per the district’s board-approved 2027-2028 calendar.
First day 2027 Mon, Aug 9, 2027
Last day this year Thu, May 27, 2027
Summer break 73 days
Last day 2028 Thu, May 25, 2028
Verified against Williamson County Schools’ official 2027-2028 calendar on September 26, 2026 (board-approved version). Confidence: High .
Source: 2027-2028 WCS Student School Calendar (PDF) · district calendar page
Note: Approved November 17, 2025, together with the 2026-27 calendar. The document says additional details for this calendar will be approved by the WCS School Board later, so K-5 early release and 6-12 late start dates are not listed yet. Grades 1-12 start with a half day on Monday, August 9. Half days for students: August 9, December 17 and May 25 (last day). November 1 is a site-based professional development day with no students. Fall Break (October 11-15) and Winter Break (December 20-31) begin with 'No Students' days; the system is closed October 13-15 and December 21-31. The Mid-Winter Break (February 18-21) includes Presidents' Day (February 21), which the student calendar does not name (the staff calendar does; February 18 is a district-wide professional development day). Graduation window: May 25-28. 177 instructional days = 83 (first semester) + 94 (second semester), as stated on the calendar.
Frequently asked questions What is the first day of school for Williamson County Schools in 2027? Monday, August 9, 2027.
How long is summer break in Williamson County Schools? 73 days: the 2026-2027 school year ends Thursday, May 27, 2027 and the next one starts Monday, August 9, 2027.
When does the 2027-2028 school year end for Williamson County Schools? Thursday, May 25, 2028.
See a wrong date? Tell us We check every report against the district's official calendar, usually within two days. You are reporting a date for Williamson County Schools.