For the 2026–2027 school year, Potosi R-III School District publishes its official academic calendar for Missouri. Classes begin Aug 25 and end May 21. All dates listed below are sourced from the district's official publications. Verify with Potosi R-III School District before scheduling around them.
Visual Calendar
Official Calendar Images
Official calendar scans for Potosi R-III School District. Click any page to open the full-size image.
School Calendar
Interactive Calendar
Potosi R-III School District's 2026–2027 academic calendar — holidays, breaks, and key dates.
Month by Month Calendar
- Kindergarten ScreeningAug 4 — Aug 5Event
- JEMS Open EnrollmentAug 5, 2026Event
- PES & TIS Open Enrollment BeginsAug 6, 2026Event
- PHS Freshman Parent WorkshopAug 7, 2026Event
- PHS Enrollment & Schedule Pick-UpAug 10 — Aug 14Event
- PHS Dual Credit/Enrollment Student & Parent WorkshopAug 11, 2026Event
- PHS Freshman Transition DayAug 13, 2026Event
- LTA, PES & TIS Open HouseAug 20, 2026Event
- JEMS & PHS Open HouseAug 20, 2026Event
- 7th Grade OrientationAug 20, 2026Event
- First Day of SchoolAug 25, 2026School Opens
- Labor Day - School Not in SessionSep 7, 2026No School
- Homecoming Early Dismissal at 12:00 PMSep 11, 2026Event
- School Not in SessionOct 16, 2026Event
- Teacher Professional Development - School Not in SessionNov 13, 2026Teacher Day
- Thanksgiving BreakNov 25 — Nov 27No School
- Christmas & New Years Break Begins - 12:00 PM DismissalDec 18, 2026No School
- Christmas & New Years BreakDec 18 — Jan 4No School
- Teacher Professional DevelopmentJan 4, 2027Teacher Day
- Martin Luther King Day - School Not in SessionJan 18, 2027No School
- President's Day - School Not in SessionFeb 15, 2027Event
- Teacher Professional Development - School Not in SessionMar 12, 2027Teacher Day
- Easter BreakMar 25 — Mar 29No School
- Last Day of School - Early Dismissal at 12:00 PMMay 21, 2027School Closes
About the District
School Information
Details and contact information for Potosi R-III School District PR3.
Sources and Checks
Where these dates come from
How the 2026–2027 Potosi R-III School District calendar on this page was compiled and what to re-check before you rely on it.
- ✓District publication. Dates are taken from the calendar Potosi R-III School District published for 2026–2027, shown as images on this page.
- ✓Official website. Cross-checked against potosir3.org.
- ✓Board-approved version is used where the district marks one.
- ✓First and last day match the published calendar.
- ✓Breaks and holidays are listed with their full date ranges.
- ✓Teacher / no-school days are included where the district lists them.
- ✓Changes happen. Districts amend calendars mid-year — confirm with Potosi R-III School District before booking around a date.
Common Questions
Frequently Asked Questions
Potosi R-III School District Calendar 2026–2027 — important dates and answers.
The first day of school for Potosi R-III School District is August 25, 2026.
The calendar does not list a separate Spring Break. Easter Break is scheduled for March 25-29, 2027.
Christmas and New Year's Break is scheduled from December 18, 2026 through January 4, 2027. Students have an early dismissal at 12:00 PM on December 18, 2026.
Winter break, listed as Christmas & New Year's Break, runs from December 18, 2026 through January 4, 2027.
Thanksgiving Break is scheduled for November 25-27, 2026.
The last day of school is May 21, 2027, with an early dismissal at 12:00 PM.
Schools will not be in session on September 7, 2026 for Labor Day.
Homecoming early dismissal is scheduled for September 11, 2026 at 12:00 PM.
Teacher Professional Development days are scheduled for November 13, 2026, January 4, 2027, and March 12, 2027.
Schools will not be in session on January 18, 2027 for Martin Luther King Jr. Day.
Schools will not be in session on February 15, 2027 for Presidents' Day.
Easter Break is scheduled for March 25-29, 2027.
LTA, PES & TIS Open House and JEMS & PHS Open House are scheduled for August 20, 2026 from 3:30 PM to 6:30 PM.
7th Grade Orientation is scheduled for August 20, 2026 from 6:00 PM to 6:30 PM.
Explore More
Recently Updated Calendars
Other Missouri school district calendars — recently added or updated.