According to classroomteachers, elementary and middle school students who stay up late exhibit more learning and attention problems.
根据课堂老师的说法,熬夜的中小学生表现出更多的学习问题和注意力问题。
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If we replaced half of our administrative staff with classroomteachers, we might actually get a majority of our classes back to 20 or fewer students per teacher.