Schools
Williamson County School Calendar 2017-18: First Day Of School, Vacations, Conferences
When's the first day of school in Williamson County? That, and other must-know dates for parents, students and teachers.

The first day of school in Williamson County is August 10 for grades 1-12 and August 21 for kindergarten. Feel free to mark it on your calendar as one of the most dreaded days of the year for students and teachers — and feel free not to feel guilty about marking it as one of your favorites. The Williamson County School District has released its 2017-2018 calendar for public schools.
The calendar includes important dates such as winter and spring vacations, religious holidays, federal holidays, early dismissals and parent-teacher conferences.
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Here is the full list of dates to know for this school year:
July
Find out what's happening in Brentwoodfor free with the latest updates from Patch.
- 7/31: New Teacher Induction
August
- 8/2: Administrative Day (All Teachers Report)
- 8/3: Administrative Day (All Teachers Report)
- 8/4: District-Wide Professional Development Day
- 8/7: Site-Based Professional Development Day
- 8/8: Site-Based Professional Development Day
- 8/9: Administrative Day (All Teachers Work in Classrooms)
- 8/10: First Student Day Grades 1-12
- 8/21: First Full Day for Kindergarten Students
September
- 9/4: No School (Labor Day)
October
- 10/10: End of First Quarter Grading Period
- 10/11 - 10/13: No School (Fall Break)
November
- 11/20 - 11/24: No School (Thanksgiving Holiday)
December
- 12/21: Half Day for Students, End of First Semester
- 12/22 - 1/2: No School (Winter Break)
January
- 1/1 - 1/2: No School (Winter Break)
- 1/3: No School for Students (District-Wide Professional Development Day)
- 1/4: No School for Students (Site-Based Professional Development Day)
- 1/5: First Student Day Second Semester
- 1/15: No School (Martin Luther King, Jr. Day)
March
- 3/16: End of Third Quarter Grading Period
- 3/26 - 3/30: No School (Spring Break)
May
- 5/18: Last Day for Students, Half Day for Students, End of Second Semester
- 5/18 - 5/20: Graduation Window
- 5/21: Administrative Day for Teachers
Ready for the new school year? Check out Patch's Ultimate Back-to-School Guide for everything from backpacks to notebooks to be sure everyone has what they need.
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