When does Pattonville School District R-III start school in 2026–2027?

The first day of school for Pattonville School District R-III is Aug 24.

How do I add the Pattonville R-III 2026–2027 calendar to my phone?

Tap "Add to your phone" on this page to download an .ics file with every date, then open it to import into Google Calendar or Apple Calendar.

Missouri (St. Louis County) · 15 key dates

Mon, Aug 24First Day of Schoolfirst-day

Mon, Sep 7Labor Day Holiday (district closed)holiday

Fri, Oct 16No School Following Conferencesholiday

Mon, Oct 19Staff Development Day (no school)holiday

Nov 25 – Nov 27Thanksgiving Holiday (no school; district closed Nov 26-27)break

Dec 23 – Jan 1Winter Break (no school; district closed Dec 24-25)break

Mon, Jan 4Staff Work Day (no school)holiday

Mon, Jan 18Martin Luther King Jr. Holiday (district closed)holiday

Fri, Feb 12Staff Development Day (no school)holiday

Mon, Feb 15Presidents Day Holiday (district closed)holiday

Fri, Mar 12No School Following Conferencesholiday

Mar 15 – Mar 19Spring Break (no school)break

Fri, Mar 26Spring Holiday (district closed)holiday

Fri, Apr 16Staff Development Day (no school)holiday

Thu, May 27Projected Last Day for Studentslast-day

Compiled from the district's published calendar and subject to change — always verify against the official Pattonville R-III calendar.