Home › United States › Washington › Onalaska School District #300 (1)

For the 2026–2027 school year, Onalaska School District #300 (1) publishes its official academic calendar for Washington. All dates listed below are sourced from the district's official publications. Verify with Onalaska School District #300 (1) before scheduling around them.

Visual Calendar

Official Calendar Images

Official calendar scans for Onalaska School District #300 (1). Click any page to open the full-size image.

2026–2027
Calendar Details
Year2026–2027
First Day—
Last DayJun 3
Instr. Days—
Grade LevelsPK-12
Official Sourceonysd.wednet.edu
Download Official Calendar (PDF) Printable Calendar (PDF)
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School Calendar

Interactive Calendar

Onalaska School District #300 (1)'s 2026–2027 academic calendar — holidays, breaks, and key dates.

2026–2027
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Month by Month Calendar

School Day Holiday / No School Break Teacher Day Early Release First / Last Day
AUGUST 20264 days
SunMonTueWedThuFriSat
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
First Student Day
Aug 24
Kindergarten Start Date
Aug 27
No School
Aug 28
SEPTEMBER 202617 days
SunMonTueWedThuFriSat
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
No School
Sep 4
Labor Day - No School
Sep 7
No School
Sep 11
Preschool Start Date
Sep 14
No School
Sep 18
No School
Sep 25
OCTOBER 202617 days
SunMonTueWedThuFriSat
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
No School
Oct 2
Enrichment Day (Optional)
Oct 9
No School
Oct 16
No School
Oct 23
End of Q1 (38)
Oct 28
No School
Oct 30
NOVEMBER 202614 days
SunMonTueWedThuFriSat
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Conference Days K-12 - No School
Nov 5 — Nov 6
Veterans Day - No School
Nov 11
Enrichment Day (Optional)
Nov 13
No School
Nov 20
Early Release (11:00)
Nov 25
Thanksgiving Break
Nov 26 — Nov 27
DECEMBER 202611 days
SunMonTueWedThuFriSat
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
No School
Dec 4
Enrichment Day (Optional)
Dec 11
Early Release (11:00)
Dec 17
No School
Dec 18
Winter Break - No School
Dec 21 — Dec 31
JANUARY 202715 days
SunMonTueWedThuFriSat
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Winter Break - No School
Jan 1
Return to School
Jan 4
Enrichment Day (Optional)
Jan 8
No School
Jan 15
M.L. King Day - No School
Jan 18
End of First Semester (37)
Jan 21
No School
Jan 22
No School
Jan 29
FEBRUARY 202716 days
SunMonTueWedThuFriSat
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
No School
Feb 5
No School
Feb 12
Presidents' Day - No School
Feb 15
Enrichment Day (Optional) or Snow Make-Up Day 1
Feb 19
No School
Feb 26
MARCH 202718 days
SunMonTueWedThuFriSat
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Mid-Winter Break
Mar 4 — Mar 5
Enrichment Day (Optional) or Snow Make-Up Day 2
Mar 12
No School
Mar 19
No School
Mar 26
End of Q3 (37)
Mar 31
APRIL 202715 days
SunMonTueWedThuFriSat
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Conference Days K-12
Apr 1 — Apr 2
Spring Break - No School
Apr 5 — Apr 9
Enrichment Day (Optional)
Apr 16
No School
Apr 23
No School
Apr 30
MAY 202717 days
SunMonTueWedThuFriSat
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Enrichment Day (Optional)
May 7
No School
May 14
No School
May 21
No School
May 28
Memorial Day - No School
May 31
JUNE 20279 days
SunMonTueWedThuFriSat
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Preschool Last Day
Jun 3
High School Graduation - No School
Jun 4
No School
Jun 11
Last Day of School - Early Release (11:00), End of 2nd Semester (38)
Jun 16
Key Dates 2026–2027
  • First Student DayAug 24, 2026Event
  • Kindergarten Start DateAug 27, 2026Event
  • No SchoolAug 28, 2026No School
  • No SchoolSep 4, 2026No School
  • Labor Day - No SchoolSep 7, 2026No School
  • No SchoolSep 11, 2026No School
  • Preschool Start DateSep 14, 2026Event
  • No SchoolSep 18, 2026No School
  • No SchoolSep 25, 2026No School
  • No SchoolOct 2, 2026No School
  • Enrichment Day (Optional)Oct 9, 2026Event
  • No SchoolOct 16, 2026No School
  • No SchoolOct 23, 2026No School
  • End of Q1 (38)Oct 28, 2026Grading
  • No SchoolOct 30, 2026No School
  • Conference Days K-12 - No SchoolNov 5 — Nov 6No School
  • Veterans Day - No SchoolNov 11, 2026No School
  • Enrichment Day (Optional)Nov 13, 2026Event
  • No SchoolNov 20, 2026No School
  • Early Release (11:00)Nov 25, 2026Early Release
  • Thanksgiving BreakNov 26 — Nov 27No School
  • No SchoolDec 4, 2026No School
  • Enrichment Day (Optional)Dec 11, 2026Event
  • Early Release (11:00)Dec 17, 2026Early Release
  • No SchoolDec 18, 2026No School
  • Winter Break - No SchoolDec 21 — Dec 31No School
  • Winter Break - No SchoolJan 1, 2027No School
  • Enrichment Day (Optional)Jan 8, 2027Event
  • No SchoolJan 15, 2027No School
  • M.L. King Day - No SchoolJan 18, 2027No School
  • End of First Semester (37)Jan 21, 2027Grading
  • No SchoolJan 22, 2027No School
  • No SchoolJan 29, 2027No School
  • No SchoolFeb 5, 2027No School
  • No SchoolFeb 12, 2027No School
  • Presidents' Day - No SchoolFeb 15, 2027No School
  • Enrichment Day (Optional) or Snow Make-Up Day 1Feb 19, 2027Event
  • No SchoolFeb 26, 2027No School
  • Mid-Winter BreakMar 4 — Mar 5No School
  • Enrichment Day (Optional) or Snow Make-Up Day 2Mar 12, 2027Event
  • No SchoolMar 19, 2027No School
  • No SchoolMar 26, 2027No School
  • End of Q3 (37)Mar 31, 2027Grading
  • Conference Days K-12Apr 1 — Apr 2Event
  • Spring Break - No SchoolApr 5 — Apr 9No School
  • Enrichment Day (Optional)Apr 16, 2027Event
  • No SchoolApr 23, 2027No School
  • No SchoolApr 30, 2027No School
  • Enrichment Day (Optional)May 7, 2027Event
  • No SchoolMay 14, 2027No School
  • No SchoolMay 21, 2027No School
  • No SchoolMay 28, 2027No School
  • Memorial Day - No SchoolMay 31, 2027No School
  • Preschool Last DayJun 3, 2027School Closes
  • High School Graduation - No SchoolJun 4, 2027No School
  • No SchoolJun 11, 2027No School
  • Last Day of School - Early Release (11:00), End of 2nd Semester (38)Jun 16, 2027School Closes
Generated by CalendarStates.com · Always verify dates with your school district.

About the District

School Information

Details and contact information for Onalaska School District #300 (1) OSD.

Onalaska School District #300 (1) OSD
Websiteonysd.wednet.edu
Academic Facts
Students—
Schools—
Grade RangePK-12
Instr. Days—
RegionWashington

Sources and Checks

Where these dates come from

How the 2026–2027 Onalaska School District #300 (1) calendar on this page was compiled and what to re-check before you rely on it.

Sources used
  • ✓District publication. Dates are taken from the calendar Onalaska School District #300 (1) published for 2026–2027, shown as images on this page.
  • ✓Official website. Cross-checked against onysd.wednet.edu.
  • ✓Board-approved version is used where the district marks one.
What we check
  • ✓First and last day match the published calendar.
  • ✓Breaks and holidays are listed with their full date ranges.
  • ✓Teacher / no-school days are included where the district lists them.
  • ✓Changes happen. Districts amend calendars mid-year — confirm with Onalaska School District #300 (1) before booking around a date.

Common Questions

Frequently Asked Questions

Onalaska School District #300 (1) Calendar 2026–2027 — important dates and answers.

When is the first day of school in ONALASKA SCHOOL DISTRICT #300 for 2026-2027?

The first student day for ONALASKA SCHOOL DISTRICT #300 is August 24, 2026.

When does Kindergarten start in ONALASKA SCHOOL DISTRICT #300 for 2026-2027?

Kindergarten starts on August 27, 2026.

When does Preschool start in ONALASKA SCHOOL DISTRICT #300 for 2026-2027?

Preschool starts on September 14, 2026.

When is Thanksgiving Break in ONALASKA SCHOOL DISTRICT #300 for 2026-2027?

Thanksgiving Break is November 26-27, 2026. There is also an early release at 11:00 AM on November 25, 2026.

When is Christmas Break in ONALASKA SCHOOL DISTRICT #300 for 2026-2027?

Christmas Break falls within Winter Break, which runs from December 21, 2026 through January 1, 2027.

When is Winter Break in ONALASKA SCHOOL DISTRICT #300 for 2026-2027?

Winter Break is December 21, 2026 through January 1, 2027. Students return to school on January 4, 2027.

When is Mid-Winter Break in ONALASKA SCHOOL DISTRICT #300 for 2026-2027?

Mid-Winter Break is March 4-5, 2027.

When is Spring Break in ONALASKA SCHOOL DISTRICT #300 for 2026-2027?

Spring Break is April 5-9, 2027.

When is Labor Day in ONALASKA SCHOOL DISTRICT #300 for 2026-2027?

Labor Day is September 7, 2026, and there is no school.

When is Veterans Day in ONALASKA SCHOOL DISTRICT #300 for 2026-2027?

Veterans Day is November 11, 2026, and there is no school.

When is Martin Luther King Jr. Day in ONALASKA SCHOOL DISTRICT #300 for 2026-2027?

Martin Luther King Jr. Day is January 18, 2027, and there is no school.

When is Presidents' Day in ONALASKA SCHOOL DISTRICT #300 for 2026-2027?

Presidents' Day is February 15, 2027, and there is no school.

When is Memorial Day in ONALASKA SCHOOL DISTRICT #300 for 2026-2027?

Memorial Day is May 31, 2027, and there is no school.

When are the fall conference days in ONALASKA SCHOOL DISTRICT #300 for 2026-2027?

Fall conference days for K-12 are November 5-6, 2026, and there is no school.

When are the spring conference days in ONALASKA SCHOOL DISTRICT #300 for 2026-2027?

Spring conference days for K-12 are April 1-2, 2027.

When is the last day of Preschool in ONALASKA SCHOOL DISTRICT #300 for 2026-2027?

The last day of Preschool is June 3, 2027.

When is High School Graduation in ONALASKA SCHOOL DISTRICT #300 for 2026-2027?

High School Graduation is June 4, 2027, and there is no school.

When is the last day of school in ONALASKA SCHOOL DISTRICT #300 for 2026-2027?

The last day of school is June 16, 2027, with an early release at 11:00 AM.

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