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Oswego Community Unit School District 308 2026-2027 School Calendar Holidays, breaks, and no school days

Oswego, IL

Next no-school day
Tuesday
November 3
Election Day
No-school days
27 weekdays
11 single days + 16 break days
First day
Thursday
August 20
2026
Last day
Friday
May 28
2027
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School year at a glance

First Day Last Day No School Break Some grades off Early Release Conferences Holiday School Day

Breaks and holidays

Is there school on Columbus Day (Indigenous Peoples' Day)?

Mon, Oct 12
No school

Is there school on Election Day?

Tue, Nov 3
No school

When is Thanksgiving break 2026?

Nov 23–27
9 days off with weekends

When is winter break 2026?

Dec 21 – Jan 4
17 days off with weekends

Is there school on Presidents' Day?

Mon, Feb 15
No school

When is spring break 2027?

Mar 22–29
10 days off with weekends

All 2026-2027 dates

No-school days, breaks and schedule changes, month by month.

August 2026

  • Professional Development Day Monday, August 17th No school
  • Teacher Workday Tuesday, August 18th No school
  • Professional Development Day Wednesday, August 19th No school
  • First Day of School Thursday, August 20th First day

September 2026

  • Labor Day Monday, September 7th · Federal holiday No school

October 2026

  • Columbus Day / Indigenous Peoples' Day Monday, October 12th · Federal holiday No school
  • Parent-Teacher Conferences Thursday, October 22nd Conferences
  • Parent-Teacher Conferences Friday, October 23rd Conferences

November 2026

  • Election Day Tuesday, November 3rd · State holiday No school
  • Veterans Day Wednesday, November 11th · Not on the school calendar Federal holiday
  • Parent-Teacher Conferences Thursday, November 19th Conferences
  • Parent-Teacher Conferences (Grades K-5 only) Friday, November 20th Some grades off
  • No Student Attendance Monday, November 23rd No school
  • No Student Attendance Tuesday, November 24th No school
  • District Closed) Wednesday, November 25th No school
  • Thanksgiving Thursday, November 26th · Federal holiday No school
  • District Closed) Friday, November 27th · Day after Thanksgiving (state holiday) No school

December 2026

  • Early Release Friday, December 18th Early release
  • Winter Break Monday, December 21st – Friday, January 1st · 10 school days off · Includes Christmas Day (federal holiday), New Year's Day (federal holiday) Break

January 2027

  • Professional Development Day Monday, January 4th No school
  • Classes Resume Tuesday, January 5th School open
  • Martin Luther King Jr. Day Monday, January 18th · Not on the school calendar Federal holiday

February 2027

  • Lincoln's Birthday Friday, February 12th · Not on the school calendar State holiday
  • Presidents' Day Monday, February 15th · Federal holiday No school
  • Professional Development Day Friday, February 26th No school

March 2027

  • Parent-Teacher Conferences Wednesday, March 17th Conferences
  • Parent-Teacher Conferences Thursday, March 18th Conferences
  • Spring Break Monday, March 22nd – Monday, March 29th · 6 school days off Break
  • Classes Resume Tuesday, March 30th School open

May 2027

Schools using this calendar

22 schools follow the Oswego Community Unit School District 308 calendar.

Browse all schools (A–Z)
B
Bednarcik Junior High SchoolBoulder Hill Elem SchoolBrokaw Early Learning Center
C
Churchill Elem School
E
East View Academy School
F
Fox Chase Elementary School
G
Grande Park Elem Sch
H
Homestead Elementary SchoolHunt Club Elem
L
Lakewood Creek ElementaryLong Beach Elem School
M
Murphy Junior High School
O
Old Post Elementary SchoolOswego East High SchoolOswego High School
P
Plank Junior HighPrairie Point Elem School
S
Southbury Elem School
W
The Wheatlands Elementary SchoolWolfs Crossing Elem School
T
Thompson Jr High SchoolTraughber Jr High School

Frequently Asked Questions

When is the first and last day of school at Oswego Community Unit School District 308 in 2026-2027?
The first day of school at Oswego Community Unit School District 308 is Thursday, August 20, 2026. The last day of school is Friday, May 28, 2027. That's a school year of about 40 weeks.
How many school days are in the 2026-2027 school year at Oswego Community Unit School District 308?
About 175 school days: the weekdays from the first day to the last day, minus days off.
How many days off does Oswego Community Unit School District 308 have in 2026-2027?
About 27 weekdays with no school, not counting weekends or summer. That's 16 weekdays of breaks plus 11 single days off. There are also seven long weekends, where a Friday or Monday off joins the weekend.
What is the longest stretch of school without a day off?
Forty-four school days in a row (about nine weeks), from Tuesday, March 30 to Friday, May 28.
Does Oswego Community Unit School District 308 have early-release or late-start days?
Yes, the 2026-2027 calendar has one early-release day. They're marked on the calendar above.

Simple Schedule is not affiliated with Oswego Community Unit School District 308. Confirm important dates with the district or your school.

Source: Oswego Community Unit School District 308.

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