schooltime

noun [抽象名词]上课时间；学校时代；温习时间

For me there was only child time, divided arbitrarily and quite painfully by the edicts of the grownups into Bedtime, Wakeup time, and Schooltime.
当时在我看来，世间的时间是专为孩子们安排的，成年人武断地、令人痛苦地命令把时间划分为睡觉时间、起床时间和上学时间。