Although the four-day school week originated in 1936, it was not widely implemented until 1973 when there was a need to conserve energy and reduce operating costs. This study investigated how achievement tests scores of schools with a four-day school week compared with schools with a traditional five-day school week. The study focused on student…

With decreasing enrollment, decreasing funding for public school education, changes in family and societal needs, and the mandates of the No Child Left Behind Act, policymakers and school leaders are wrestling with reforms to the school calendar and instructional time spent in the classroom, with the goal of increasing student achievement.…