Children in Kentucky board the bus on their first day of school Aug. 8. Students in a Colorado school district returned to class Tuesday as part of an experimental four-day school week to save money and help recruit teachers.
Children in Kentucky board the bus on their first day of school Aug. 8. Students in a Colorado school district returned to class Tuesday as part of an experimental four-day school week to save money and help recruit teachers. Ellen O'Nan The Associated Press
Children in Kentucky board the bus on their first day of school Aug. 8. Students in a Colorado school district returned to class Tuesday as part of an experimental four-day school week to save money and help recruit teachers. Ellen O'Nan The Associated Press