The teacher stepped off the platform, passed by each of the students.

老师走下讲台，从每个学生身边经过。

The teacher saw this article to each of the students.

老师给每个学生都看了这篇文章。

Incorrect: Each of the students are required to take the final exam.

虽然中文为每一个学生都要参加期末考试， 表示全体。

Each of the students needs to accommodate to the new schedule quickly.

每个学生需要迅速适应新的时间表。