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School Open
Dismissal: 3:30 PM
Next 7 Days
1 day offMay 2026
Coming Up
1 this weekSchool Breaks
Holidays (No School)
The School of The Osage School District school calendar for the 2025-26 school year runs from Tuesday, August 19, 2025 to Thursday, May 21, 2026 in Lakeside, Missouri.
- •3 scheduled breaks and 15 holidays throughout the year
- •Spring break: Mar 31 – Apr 3
- •Winter break: Dec 23 – Dec 31
School of The Osage School District starts school 8 days later than most Missouri districts.
Download the iCal file above to sync all School of The Osage School District dates with your phone or computer.
Frequently Asked Questions
Is School of The Osage School District school open today?
Yes, School of The Osage School District is open today. Check the weekly calendar above for upcoming school days and closures.
When is the next day off for School of The Osage School District?
The next day off is Monday, May 11, 2026 for Make Up Day for 12th Inclement Weather Day.
When is the first day of school for School of The Osage School District?
The first day of school for School of The Osage School District in 2025-26 is Tuesday, August 19, 2025.
When is the last day of school for School of The Osage School District?
The last day of school for School of The Osage School District in 2025-26 is Thursday, May 21, 2026.
When is spring break for School of The Osage School District?
Spring break for School of The Osage School District is Tuesday, March 31, 2026 to Friday, April 3, 2026.
When is winter break for School of The Osage School District?
Winter break for School of The Osage School District is Tuesday, December 23, 2025 to Wednesday, December 31, 2025.
When do students go back to school after winter break?
Students in School of The Osage School District return to school after winter break on Thursday, January 1, 2026. Winter break ends on Wednesday, December 31, 2025.
When is Thanksgiving break for School of The Osage School District?
Thanksgiving break for School of The Osage School District is Tuesday, November 25, 2025 to Friday, November 28, 2025.
How do I add School of The Osage School District calendar to my phone?
Click the "Add to Calendar" button at the top of this page to download the iCal (.ics) file. Then:
iPhone/iPad: Tap the downloaded file, then tap "Add All" to add events to your Calendar app.
Android: Open the file with Google Calendar, review the events, and tap "Import".
Google Calendar (web): Go to Settings → Import & Export → Select the .ics file → Import.
Outlook: Double-click the file or drag it into your Outlook calendar.
Apple Calendar (Mac): Double-click the file or go to File → Import → select the .ics file.
What school district is Lakeside, MO in?
Lakeside, Missouri is served by School of The Osage School District. This page shows the 2025-26 school calendar including first day, last day, breaks, and holidays.
When does school start in Lakeside?
School in Lakeside (School of The Osage School District) starts on Tuesday, August 19, 2025 for the 2025-26 school year.
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Other Missouri Districts
Last updated: December 31, 2025
Source: School of The Osage School District Official Calendar