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The period of time each day when students attend school.
Teachers must stay after school hours to grade papers.
Teachers work beyond the regular school schedule.
The school's policy states that students cannot stay on campus outside school hours.
Students must leave the premises when classes end.
Often used in educational contexts to describe the standard operating hours of a school.
While 'school hours' refers to the daily time spent at school, 'school days' refers to the days of the week when school is in session (e.g., Monday to Friday).
Reserve 'school hours' for discussing time periods (e.g., 'The office is closed during school hours') and 'school days' for discussing days (e.g., 'School days are Monday through Friday').
The phrase combines 'school' (from Old English 'sċōl', meaning 'group of scholars') and 'hours' (from Old English 'tīma', meaning 'time'). The modern usage emerged in the 19th century as formal education became standardized.
The term is commonly used in educational systems worldwide, though the exact duration of 'school hours' varies by country and institution. It typically excludes weekends, holidays, and breaks.