A survey done by the China Youth and Children Research Center showed that school accidents kill more elementary and middle school students than anything else.

中国青少年研究中心的一项调查显示，学校事故是导致小学生和中学生死亡的最大原因。

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According to classroom teachers, 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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Three sets of textbooks have been published, one each for elementary, middle and high-school students.

这套教材共分三种，分别面向小学生、初中生和高中生。

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In STEM education, Alcoa underwrites efforts such as community colleges that coordinate with local manufacturers and a program to teach elementary and middle school students about model airplanes and applied aerodynamics.

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Across the country thousands of elementary, middle and high school students are feeling the impact too.

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But my goal is to challenge more schools and more communities to take part in this, particularly middle and high school students, because right now those 635 students are at the elementary school level, and we need to take this challenge up to kids in middle schools and high schools.

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