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FOUR-DAY SCHOOL WEEK
RESOURCE CENTER
MISSOURI STATE UNIVERSITY

The Four-Day School Week Resource Center

A free, nonpartisan hub of research, data, and district experience to help teachers, parents, policymakers, and school leaders understand the four-day school week.

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THE GROWTH OF THE FOUR-DAY WEEK IN MISSOURI
From one district to 193 in sixteen years
50 100 150 193 +44 districts in 2020–21, the biggest single-year jump 2010–11 2015–16 2020–21 2026–27 Cumulative districts by first year on the schedule. Light segment: 13 districts whose start year was not recorded.
Source: MSU Missouri four-day district list, June 2026 · See the data
193
Missouri public districts estimated on a four-day week for 2026–27 — up from 185 this year
36%
of Missouri’s 516 school districts now use the schedule — and 95% of them are rural
100%
of districts that have put the four-day week to a public vote have won approval
POLICY EXPLAINER · NOW IN EFFECT

What Senate Bill 727 means for four-day districts

As of July 1, 2026, districts wholly or partly in a charter county — or in a city of 30,000+ — must meet new instructional-time requirements.

So far, every Missouri district that has put the four-day week to a public vote has won approval, with support ranging from roughly 62% to 87%. See how each district voted →

A
1,044 hours and 169 days of instruction, or
B
A four-day week approved by voters with at least 142 days. A “yes” vote locks in the schedule for ten years.
$
A financial incentive is paid to districts offering at least 169 instructional days.
Read the full text of SB 727 →

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QUESTIONS OR NEED RESOURCES?

Contact Dr. Jon Turner

Associate Professor of Educational Leadership · Missouri State University, Springfield MO

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