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Pattonville R-III School Calendar 2026-27

St Ann, Missouri · St. Louis County

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Coming Up

Nov 25 - 27
Thanksgiving holiday

No school for Thanksgiving holiday (district closed Nov. 26-27)

Mon, Dec 21
High school finals

High school dismisses at 10:30 a.m. for finals

Tue, Dec 22
Early dismissal for staff collaboration, high school finals
Dec 23 - 31
Winter break

No school for winter break (district closed Dec. 24-25) Review the calendar for the full break dates.

Fri, Jan 1
Winter break

No school for winter break (district closed) Review the calendar for the full break dates.

Mon, Jan 4
Staff report/work day

No school for staff report/work day

Full School Calendar 2026-27

28 events

Mon, Sep 7

Holiday

Labor Day holiday

No school for Labor Day holiday (district closed)

Fri, Oct 2

Early Dismissal

Early dismissal for staff collaboration

Early dismissal for staff collaboration (PreK-5 and Remington)

Wed, Oct 14

Meeting

Parent-teacher conferences

Parent-teacher conferences (PreK-12th grade) Check the school notice for conference scheduling and participation details.

Thu, Oct 15

Meeting

Parent-teacher conferences

Parent-teacher conferences (PreK-12th grade) Check the school notice for conference scheduling and participation details.

Fri, Oct 16

PD Day

No school following conferences

Mon, Oct 19

PD Day

Staff development day

No school for staff development day

Nov 25 - 27

Holiday

Thanksgiving holiday

No school for Thanksgiving holiday (district closed Nov. 26-27)

Mon, Dec 21

Exams

High school finals

High school dismisses at 10:30 a.m. for finals

Tue, Dec 22

Early Dismissal

Early dismissal for staff collaboration, high school finals

Dec 23 - 31

Break

Winter break

No school for winter break (district closed Dec. 24-25) Review the calendar for the full break dates.

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Data source: official Pattonville R-III website · Last verified Jul 2, 2026 · How we verify this data

Key Dates — Pattonville R-III School Calendar

Scheduled breaks include Winter break (Wed, Dec 23, 2026 to Fri, Jan 1, 2027), Spring break (Mon, Mar 15, 2027 to Fri, Mar 19, 2027).

Winter break
Wed, Dec 23, 2026 to Fri, Jan 1, 2027
Spring break
Mon, Mar 15, 2027 to Fri, Mar 19, 2027
Labor Day holiday
Mon, Sep 7, 2026
No school following conferences
Fri, Oct 16, 2026
Thanksgiving holiday
Wed, Nov 25, 2026 to Fri, Nov 27, 2026
Martin Luther King Jr. holiday
Mon, Jan 18, 2027
Presidents Day holiday
Mon, Feb 15, 2027
No school following conferences
Fri, Mar 12, 2027
Spring holiday
Fri, Mar 26, 2027
Memorial Day holiday
Mon, May 31, 2027
6,128
Students
11
Schools
6 elem · 2 mid · 1 high
13.2:1
Student-Teacher
463 teachers
Pre-K–12
Grades

Quick Facts

557
Avg. School Size
647
Total Staff

Contact

Address
11097 ST CHARLES ROCK RD
St Ann, MO 63074
Phone
(314)213-8500

Staff & Students

Teachers (FTE)
463
Total Staff
647
Data Source
NCES Common Core of Data
School Year 2023-24

Frequently Asked Questions about Pattonville R-III

Pattonville R-III includes 11 schools across elementary, middle, and high school levels.

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