To combat a teacher shortage, some school districts across the country are adopting a four-day week. WSJ’s Ben Chapman explains the pros and cons, and a superintendent in Missouri talks about how parents and teachers are reacting. Further Reading: - School Districts Facing Shortages Lure Teachers With Four-Day Weeks  - Teacher, Staff Shortages Reported by About Half of Schools, Survey Finds Learn more about your ad choices. Visit megaphone.fm/adchoices