Back To School: Oswego 2025-26 School Calendar

OSWEGO, IL — Back-to-school planning has already begun in Oswego, with calendars available to help parents prepare for the first day in Oswego Community Unit School District 308.

The first day of school for most students in Oswego is Aug. 14.

Heading into the upcoming school year, some dates are subject to change. Here is the list of dates to know for this school year:

First Day: Aug. 14

Thanksgiving Break: Nov. 24-28

Winter Break: Dec. 22 to Jan. 6

Spring Break: March 30 to April 6

Last Day: May 22