An event that occurs in almost every class one takes in school. You sit down and answer a set of questions, and the number you get correct determine your score, which is supposed to show your knowledge of the subject that the test was on. However, this is not always correct, because it's been shown that the format of the test can affect the scores, while it doesn't affect the knowledge.

Different from a quiz because it is of more importance.

Also, what they tell you it is right before setting off the fire alarm so that you don't have the stampede and people getting hurt that a real one would be.