She serves as the monitor in our class.

她是我们班的班长。

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The class monitor tried to make up for the mess by reorganizing the class event as students were not interested in the original one.

班长试图通过重新组织活动来弥补混乱，因为学生们对原来的活动不感兴趣。

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I went out of the trouble and became the vice-monitor in our class.

我走出了困境，并且当上了副班长。

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Samsung is boasting that it's new monitor is best-in-class for both, having the highest resolution available in a display--3.5 million pixels for the 19-inch screen--and an ability to produce a full range of colors.

FORBES: Samsung Monitor To Go Back To The Future

One private school in east Delhi has CCTV cameras in every class which allow the headmaster to monitor his teachers.

ECONOMIST: A better education system calls for more than money