A Systematic Literature Review of the Four-day School Week

The four-day school week has become increasingly popular in Missouri in recent years. As of fall 2023, approximately 28 percent of all Missouri public school districts have adopted this schedule. But how much do we know about its impact on student achievement, district finances, teacher recruitment and retention, or parental satisfaction? The short answer is: not as much as you might expect.

This paper presents a systematic look at research on the four-day school week, focusing specifically on studies that met a clearly defined set of search criteria. Click here to read the full report.