answer: Mary is asked to take the evaluation tests to put her in the right classes.
documents: #Person1#: Mary, there's one more thing that you must do for me before you leave.
  #Person2#: What is it?
  #Person1#: You have to take the math and English evaluation tests.
  #Person2#: Why?
  #Person1#: Because you're from a foreign country. The school needs to find out how good you are at both basic skills.
  #Person2#: It's so that I can be put into the right math and English classes, right?
  #Person1#: You are a smart girl!
  #Person2#: This is going to take more time than I thought.