Lewisville ISD school calendar 2026–27
First day of school: Wednesday, August 12, 2026
The 2026–27 year at a glance
| What | When | No school |
|---|---|---|
| First day of school | Wednesday, August 12, 2026 | |
| Labor Day | September 7, 2026 | 1 day |
| Student Holiday (Staff Day) | October 9, 2026 | 1 day |
| Holiday | October 12, 2026 | 1 day |
| Student Holiday (Staff Day) | November 3, 2026 | 1 day |
| Thanksgiving Break | November 23–27, 2026 | 5 days |
| Winter Break | December 21, 2026 – January 1, 2027 | 12 days |
| Student Holiday (Staff Day) | January 4, 2027 | 1 day |
| MLK Day | January 18, 2027 | 1 day |
| Presidents Day (Staff Day) | February 15, 2027 | 1 day |
| Spring Break | March 15–19, 2027 | 5 days |
| Holiday | March 26, 2027 | 1 day |
| Bad Weather Day | March 29, 2027 | 1 day |
| Last day of school | Friday, May 21, 2027 |
Worth knowing: December 18 and the last day are early-release days, and March 29 is a built-in bad-weather make-up day that becomes a school day if needed.
Source: Lewisville ISD 2026–27 academic calendar. Checked against the district's published calendar on August 13, 2026.
Next year: 2027–28
The 2027–28 calendar hasn't been adopted yet. Lewisville ISD typically starts mid-August; school boards usually approve the following year's calendar between January and May. This page will be updated when the district publishes it.
Questions parents ask
When does school start for Lewisville ISD in 2026?
The first day of the 2026–27 school year is Wednesday, August 12, 2026.
When is Lewisville ISD's Thanksgiving break?
Thanksgiving break is November 23–27, 2026.
When is Lewisville ISD's winter break?
Winter break runs December 21, 2026 – January 1, 2027. Students return Tuesday, January 5, 2027.
When is Lewisville ISD's spring break in 2027?
Spring break is March 15–19, 2027.
When is the last day of school for Lewisville ISD?
The 2026–27 school year ends Friday, May 21, 2027.
Has Lewisville ISD released its 2027–28 calendar?
Not yet. School boards usually approve the following year's calendar between January and May; this page will be updated when the district publishes it.
About Lewisville ISD
Lewisville Independent School District serves about 48,000 students in Denton County. Official site: lisd.net.
- Compare first days across the area: Dallas–Fort Worth first days of school
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