School Year Dates

Approved calendar Checked

Williamson County school calendar 2027-28

First day, last day, breaks, holidays and teacher workdays, read from the district's own calendar.

Open the district's calendar (docs.wcs.edu)Add to your calendar (.ics)

Independent site, not affiliated with any school district. School Year Dates is an independent publisher. We are not affiliated with, endorsed by or operated by Williamson County or any other school district. Official calendar: docs.wcs.edu.

First day
Fall Break (System Closed)
to
Thanksgiving Holiday (System Closed)
to
Winter Break
to
Mid-Winter Break; Presidents’ Day
Spring Break (System Closed)
to
Last day

Kindergarten, pre-K, individual grades and particular schools may have different start dates or schedules. Check the district calendar for your child's grade and school.

Unmarked weekdays and computed counts use only the breaks, holidays and teacher workdays listed here. Other closures may be missing, so these are potential weekdays, not verified days of attendance.

Month by month

  • Weekday in term
  • Break
  • Holiday
  • No students (teacher workday)
  • Early release
  • First day
  • Last day
August 2027
SMTWTFS
12 Administrative Day (All Teachers Return)3 District- Wide Professional Development Day4 Site-Based Professional Development Day5 Site-Based Professional Development Day6 Administrative Day - Teacher Prep Day (Flex)7
89 First day of school10 Weekday in term11 Weekday in term12 Weekday in term13 Weekday in term14
1516 Weekday in term17 Weekday in term18 Weekday in term19 Weekday in term20 Weekday in term21
2223 Weekday in term24 Weekday in term25 Weekday in term26 Weekday in term27 Weekday in term28
2930 Weekday in term31 Weekday in term
September 2027
SMTWTFS
1 Weekday in term2 Weekday in term3 Weekday in term4
56 Labor Day (System Closed)7 Weekday in term8 Weekday in term9 Weekday in term10 Weekday in term11
1213 Weekday in term14 Weekday in term15 Weekday in term16 Weekday in term17 Weekday in term18
1920 Weekday in term21 Weekday in term22 Weekday in term23 Weekday in term24 Weekday in term25
2627 Weekday in term28 Weekday in term29 Weekday in term30 Weekday in term
October 2027
SMTWTFS
1 Weekday in term2
34 Weekday in term5 Weekday in term6 Weekday in term7 Weekday in term8 Weekday in term9
1011 Columbus Day; Parent/Teacher Conference Day (Flex)12 District-Wide Professional Development Day (Flex)13 Fall Break (System Closed)14 Fall Break (System Closed)15 Fall Break (System Closed)16
1718 Weekday in term19 Weekday in term20 Weekday in term21 Weekday in term22 Weekday in term23
2425 Weekday in term26 Weekday in term27 Weekday in term28 Weekday in term29 Weekday in term30
31
November 2027
SMTWTFS
1 Site-Based Professional Development Day2 Weekday in term3 Weekday in term4 Weekday in term5 Weekday in term6
78 Weekday in term9 Weekday in term10 Weekday in term11 Weekday in term12 Weekday in term13
1415 Weekday in term16 Weekday in term17 Weekday in term18 Weekday in term19 Weekday in term20
2122 Thanksgiving Holiday (System Closed)23 Thanksgiving Holiday (System Closed)24 Thanksgiving Holiday (System Closed)25 Thanksgiving Holiday (System Closed)26 Thanksgiving Holiday (System Closed)27
2829 Weekday in term30 Weekday in term
December 2027
SMTWTFS
1 Weekday in term2 Weekday in term3 Weekday in term4
56 Weekday in term7 Weekday in term8 Weekday in term9 Weekday in term10 Weekday in term11
1213 Weekday in term14 Weekday in term15 Weekday in term16 Weekday in term17 End of First Semester18
1920 Administrative Day - Teacher Prep Day (Flex)21 Winter Break22 Winter Break23 Winter Break24 Winter Break25 Winter Break
26 Winter Break27 Winter Break28 Winter Break29 Winter Break30 Winter Break31 Winter Break
January 2028
SMTWTFS
1
23 Weekday in term4 Weekday in term5 Weekday in term6 Weekday in term7 Weekday in term8
910 Weekday in term11 Weekday in term12 Weekday in term13 Weekday in term14 Weekday in term15
1617 Martin Luther King, Jr. Day (System Closed)18 Weekday in term19 Weekday in term20 Weekday in term21 Weekday in term22
2324 Weekday in term25 Weekday in term26 Weekday in term27 Weekday in term28 Weekday in term29
3031 Weekday in term
February 2028
SMTWTFS
1 Weekday in term2 Weekday in term3 Weekday in term4 Weekday in term5
67 Weekday in term8 Weekday in term9 Weekday in term10 Weekday in term11 Weekday in term12
1314 Weekday in term15 Weekday in term16 Weekday in term17 Weekday in term18 District-Wide Professional Development Day19
2021 Mid-Winter Break; Presidents’ Day22 Weekday in term23 Weekday in term24 Weekday in term25 Weekday in term26
2728 Weekday in term29 Weekday in term
March 2028
SMTWTFS
1 Weekday in term2 Weekday in term3 Weekday in term4
56 Weekday in term7 Presidential Primary8 Weekday in term9 Weekday in term10 Weekday in term11
1213 Spring Break (System Closed)14 Spring Break (System Closed)15 Spring Break (System Closed)16 Spring Break (System Closed)17 Spring Break (System Closed)18
1920 Weekday in term21 Weekday in term22 Weekday in term23 Weekday in term24 Weekday in term25
2627 Weekday in term28 Weekday in term29 Weekday in term30 Weekday in term31 Weekday in term
April 2028
SMTWTFS
1
23 Weekday in term4 Weekday in term5 Weekday in term6 Weekday in term7 Weekday in term8
910 Weekday in term11 Weekday in term12 Weekday in term13 Weekday in term14 Spring Holiday (System Closed)15
1617 Weekday in term18 Weekday in term19 Weekday in term20 Weekday in term21 Weekday in term22
2324 Weekday in term25 Weekday in term26 Weekday in term27 Weekday in term28 Weekday in term29
30
May 2028
SMTWTFS
1 Weekday in term2 Weekday in term3 Weekday in term4 Weekday in term5 Weekday in term6
78 Weekday in term9 Weekday in term10 Weekday in term11 Weekday in term12 Weekday in term13
1415 Weekday in term16 Weekday in term17 Weekday in term18 Weekday in term19 Weekday in term20
2122 Weekday in term23 Weekday in term24 Weekday in term25 Last Day for Students - End of Second Semester; Last day of school26 Administrative Day (All Teachers Report)27
28293031

The 2027-28 year in words

Students in Williamson County go back on . The year ends on , roughly 42 weeks later, with 177 potential weekdays in between after only the days off listed here are counted out. Because the year opens on a Monday, the first week contains five potential weekdays after listed closures; the final week contains four to the Thursday finish.

There are 5 breaks on the calendar. Students are off for Fall Break (System Closed) from to , 3 days counting weekends and 3 weekdays counting Monday through Friday. Thanksgiving Holiday (System Closed) runs through : 5 days off the calendar, 5 of them weekdays. Students are off for Winter Break from to , 11 days counting weekends and 9 weekdays counting Monday through Friday. Mid-Winter Break; Presidents’ Day is a single day, . Spring Break (System Closed) starts and ends , a total of 5 days with 5 weekdays off. Winter Break is the longest break, 11 days from start to finish.

The longest stretch with no break, holiday or teacher workday listed here is 29 potential weekdays, from to . After subtracting listed closures, winter break divides the remaining potential weekdays into 83 before it and 94 after it.

Outside the breaks, 4 holidays are listed: Labor Day (System Closed) (), Martin Luther King, Jr. Day (System Closed) (), Presidential Primary () and Spring Holiday (System Closed) (). 3 of these fall on a Monday or Friday and make a long weekend: Labor Day (System Closed), Martin Luther King, Jr. Day (System Closed) and Spring Holiday (System Closed).

11 teacher workdays without students are listed, the first on and the last on . Students leave early on and .

This calendar is marked as approved in the source. Even so, districts revise approved calendars when storms, elections or board decisions require it.

The dates come from a PDF calendar at docs.wcs.edu, last read on . Use the link on this page to open the district's own calendar and confirm.

Dates in detail

Breaks
BreakStartsEndsDaysWeekdays
Fall Break (System Closed)33
Thanksgiving Holiday (System Closed)55
Winter Break119
Mid-Winter Break; Presidents’ Day11
Spring Break (System Closed)55
Holidays
DayDate
Labor Day (System Closed)
Martin Luther King, Jr. Day (System Closed)
Presidential Primary
Spring Holiday (System Closed)
Teacher workdays (no students)
DayDate
Administrative Day (All Teachers Return)
District- Wide Professional Development Day
Site-Based Professional Development Day
Site-Based Professional Development Day
Administrative Day - Teacher Prep Day (Flex)
Columbus Day; Parent/Teacher Conference Day (Flex)
District-Wide Professional Development Day (Flex)
Site-Based Professional Development Day
Administrative Day - Teacher Prep Day (Flex)
District-Wide Professional Development Day
Administrative Day (All Teachers Report)
Early release
DayDate
End of First Semester
Last Day for Students - End of Second Semester
Potential weekdays by month, after listed exceptions
MonthPotential weekdays
August 202717
September 202721
October 202716
November 202716
December 202713
January 202820
February 202819
March 202817
April 202819
May 202819

Where these dates come from

Source: docs.wcs.edu (a PDF calendar), read on . Districts revise calendars after severe weather, board votes and contract settlements, so the district's own page is the version that counts. If a date here looks wrong, tell us and we will re-check the source. How we check.

See the 2026-27 calendar for Williamson County

Other Tennessee districts

Districts in Tennessee close in size to Williamson County, with their own calendars on this site:

All Tennessee districts