Hudson, 7, left, Callahan, 13, middle, and Keegan Pruente, 10, right, stand outside their school on their first Monday home during the new four-day school week on Monday, Sept. 11, 2023, in Independence, Mo. Hundreds of school systems around the country have adopted four-day weeks in recent years, mostly in rural and western parts of the U.S. Districts cite cost savings and advantages for teacher recruitment. Still, some experts question the effects on students who already missed out on significant learning during the pandemic. (AP Photo/Nick Ingram)