School Year Dates

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Seattle School District No. 1 school calendar 2026-27

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

Open the district's calendar (seattleschools.org)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 Seattle School District No. 1 or any other school district. Official calendar: seattleschools.org.

First day
Family-Teacher conference days
to
Thanksgiving and Native American Heritage Day
to
Winter break
to
Mid-winter break, including Presidents Day
to
Spring break
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
September 2026
SMTWTFS
12 First day of school3 Weekday in term4 Weekday in term5
67 Labor Day8 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 Weekday in term19
2021 Weekday in term22 Weekday in term23 Weekday in term24 Weekday in term25 Weekday in term26
2728 Weekday in term29 Weekday in term30 Weekday in term
October 2026
SMTWTFS
1 Weekday in term2 Weekday in term3
45 Weekday in term6 Weekday in term7 Weekday in term8 Weekday in term9 State In-service Day10
1112 Weekday in term13 Weekday in term14 Weekday in term15 Weekday in term16 Weekday in term17
1819 Weekday in term20 Weekday in term21 Weekday in term22 Weekday in term23 Weekday in term24
2526 Weekday in term27 Weekday in term28 Weekday in term29 Weekday in term30 Weekday in term31
November 2026
SMTWTFS
12 Weekday in term3 Weekday in term4 Weekday in term5 Weekday in term6 Weekday in term7
89 Weekday in term10 Weekday in term11 Veterans Day Observed12 Weekday in term13 Weekday in term14
1516 Weekday in term17 Weekday in term18 Weekday in term19 Weekday in term20 Weekday in term21
2223 Family-Teacher conference days24 Family-Teacher conference days25 Family-Teacher conference days26 Thanksgiving and Native American Heritage Day27 Thanksgiving and Native American Heritage Day28
2930 Weekday in term
December 2026
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 1-hour early dismissal19
2021 Winter break22 Winter break23 Winter break24 Winter break25 Winter break26 Winter break
27 Winter break28 Winter break29 Winter break30 Winter break31 Winter break
January 2027
SMTWTFS
1 Winter break2
34 Weekday in term5 Weekday in term6 Weekday in term7 Weekday in term8 Weekday in term9
1011 Weekday in term12 Weekday in term13 Weekday in term14 Weekday in term15 Weekday in term16
1718 Martin Luther King Jr. Day19 Weekday in term20 Weekday in term21 Weekday in term22 Weekday in term23
2425 Weekday in term26 Weekday in term27 Weekday in term28 Day between semesters29 Weekday in term30
31
February 2027
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 Mid-winter break, including Presidents Day16 Mid-winter break, including Presidents Day17 Mid-winter break, including Presidents Day18 Mid-winter break, including Presidents Day19 Mid-winter break, including Presidents Day20
2122 Weekday in term23 Weekday in term24 Weekday in term25 Weekday in term26 Weekday in term27
28
March 2027
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 Weekday in term26 Weekday in term27
2829 Weekday in term30 Weekday in term31 Weekday in term
April 2027
SMTWTFS
1 Weekday in term2 Weekday in term3
45 Weekday in term6 Weekday in term7 Weekday in term8 Weekday in term9 Weekday in term10
1112 Spring break13 Spring break14 Spring break15 Spring break16 Spring break17
1819 Weekday in term20 Weekday in term21 Weekday in term22 Weekday in term23 Weekday in term24
2526 Weekday in term27 Weekday in term28 Weekday in term29 Weekday in term30 Weekday in term
May 2027
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 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
3031 Memorial Day
June 2027
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 Juneteenth observed19
2021 Last day of school (1-hour early dismissal); Last day of school2223242526
27282930

The 2026-27 year in words

Students in Seattle School District No. 1 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 Wednesday, the first week contains three potential weekdays after listed closures; the final week contains one to the Monday finish.

The calendar lists 5 breaks. Family-Teacher conference days runs through : 3 days off the calendar, 3 of them weekdays. Thanksgiving and Native American Heritage Day runs through : 2 days off the calendar, 2 of them weekdays. Students are off for Winter break from to , 12 days counting weekends and 10 weekdays counting Monday through Friday. Mid-winter break, including Presidents Day runs through : 5 days off the calendar, 5 of them weekdays. Spring break: to , which is 5 days and 5 weekdays without classes. Winter break is the longest break, 12 days from start to finish.

The longest stretch with no break, holiday or teacher workday listed here is 35 potential weekdays, from to . Based only on the exceptions listed here, there are 70 potential weekdays before winter break and 107 after it.

Outside the breaks, 6 holidays are listed: Labor Day (), Veterans Day Observed (), Martin Luther King Jr. Day (), Day between semesters (), Memorial Day () and Juneteenth observed (). For a three-day weekend, look at Labor Day, Martin Luther King Jr. Day, Memorial Day and Juneteenth observed, which sit next to a weekend.

Students stay home on 1 teacher workday: State In-service Day (). Students leave early on and .

The source does not say whether the board has approved this calendar, so treat the dates as the district's current published plan and check before you commit to travel.

We read these dates from a web page on seattleschools.org on . We summarize dates only; the district's own calendar is the version that counts.

Dates in detail

Breaks
BreakStartsEndsDaysWeekdays
Family-Teacher conference days33
Thanksgiving and Native American Heritage Day22
Winter break1210
Mid-winter break, including Presidents Day55
Spring break55
Holidays
DayDate
Labor Day
Veterans Day Observed
Martin Luther King Jr. Day
Day between semesters
Memorial Day
Juneteenth observed
Teacher workdays (no students)
DayDate
State In-service Day
Early release
DayDate
1-hour early dismissal
Last day of school (1-hour early dismissal)
Potential weekdays by month, after listed exceptions
MonthPotential weekdays
September 202620
October 202621
November 202615
December 202614
January 202718
February 202715
March 202723
April 202717
May 202720
June 202714

Where these dates come from

Source: seattleschools.org (a web page), 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.