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School Open
Dismissal: 3:30 PM
Next 7 Days
April 2026
Coming Up
School Breaks
Holidays (No School)
The North Chicago High School District 123 school calendar for the 2025-26 school year runs from Wednesday, August 20, 2025 to Thursday, June 4, 2026 in Illinois.
- •3 scheduled breaks and 6 holidays throughout the year
- •Spring break: Mar 23 – Mar 29
- •Winter break: Dec 22 – Jan 4
North Chicago High School District 123 starts school 169 days earlier than most Illinois districts. Winter break matches the most common Illinois schedule, starting 12/22. Spring break aligns with the most common Illinois schedule.
Download the iCal file above to sync all North Chicago High School District 123 dates with your phone or computer.
Frequently Asked Questions
Is North Chicago High School District 123 school open today?
Yes, North Chicago High School District 123 is open today. Check the weekly calendar above for upcoming school days and closures.
When is the next day off for North Chicago High School District 123?
There are no more scheduled days off for the 2025-26 school year.
When is the first day of school for North Chicago High School District 123?
The first day of school for North Chicago High School District 123 in 2025-26 is Wednesday, August 20, 2025.
When is the last day of school for North Chicago High School District 123?
The last day of school for North Chicago High School District 123 in 2025-26 is Thursday, June 4, 2026.
When is spring break for North Chicago High School District 123?
Spring break for North Chicago High School District 123 is Monday, March 23, 2026 to Sunday, March 29, 2026.
When is winter break for North Chicago High School District 123?
Winter break for North Chicago High School District 123 is Monday, December 22, 2025 to Sunday, January 4, 2026.
When do students go back to school after winter break?
Students in North Chicago High School District 123 return to school after winter break on Monday, January 5, 2026. Winter break ends on Sunday, January 4, 2026.
When is Thanksgiving break for North Chicago High School District 123?
Thanksgiving break for North Chicago High School District 123 is Monday, November 24, 2025 to Friday, November 28, 2025.
How do I add North Chicago High School District 123 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.
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Last updated: December 19, 2025
Source: North Chicago High School District 123 Official Calendar