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School Open
Dismissal: 3:30 PM
Next 7 Days
March 2026
Coming Up
School Breaks
Holidays (No School)
The Rialto Unified School District school calendar for the 2025-26 school year runs from Monday, August 11, 2025 to Thursday, June 4, 2026 in Fontana, California.
- •3 scheduled breaks and 14 holidays throughout the year
- •Spring break: Mar 23 – Mar 27
- •Winter break: Dec 22 – Jan 9
Rialto Unified School District starts school around the same time as most California districts. Winter break matches the most common California schedule, starting 12/22.
Download the iCal file above to sync all Rialto Unified School District dates with your phone or computer.
Frequently Asked Questions
Is Rialto Unified School District school open today?
Yes, Rialto Unified School District is open today. Check the weekly calendar above for upcoming school days and closures.
When is the next day off for Rialto Unified School District?
The next day off is Monday, May 25, 2026 for Memorial Day.
When is the first day of school for Rialto Unified School District?
The first day of school for Rialto Unified School District in 2025-26 is Monday, August 11, 2025.
When is the last day of school for Rialto Unified School District?
The last day of school for Rialto Unified School District in 2025-26 is Thursday, June 4, 2026.
When is spring break for Rialto Unified School District?
Spring break for Rialto Unified School District is Monday, March 23, 2026 to Friday, March 27, 2026.
When is winter break for Rialto Unified School District?
Winter break for Rialto Unified School District is Monday, December 22, 2025 to Friday, January 9, 2026.
When do students go back to school after winter break?
Students in Rialto Unified School District return to school after winter break on Monday, January 12, 2026. Winter break ends on Friday, January 9, 2026.
When is Thanksgiving break for Rialto Unified School District?
Thanksgiving break for Rialto Unified School District is Monday, November 24, 2025 to Friday, November 28, 2025.
How do I add Rialto Unified 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 Fontana, CA in?
Fontana, California is served by Rialto Unified School District. This page shows the 2025-26 school calendar including first day, last day, breaks, and holidays.
When does school start in Fontana?
School in Fontana (Rialto Unified School District) starts on Monday, August 11, 2025 for the 2025-26 school year.
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Last updated: December 19, 2025