You're watching a documentary on TV about a war in ancient Rome. You remember studying this and writing about it when you were a student. You tell your girlfriend about it.
I actually wrote a paper on this in college.
actually, college, essay (topic), school, university 
You're a teacher. You're talking to the parents of one of your students, who talks loudly to her friends during your lectures. You say:
Monica's been growing increasingly disruptive in class over the past few weeks.
You're a college student. Your grades haven't been very high, but now you want to get better grades so that you can graduate with honors. You're talking to your academic advisor. You say:
Hopefully I can bring my GPA up to at least a 3.0 this semester.
You're tutoring a middle school student in math. You want to know whether the student's teacher has taught a topic. You ask:
Have you guys covered exponents yet?
You're checking one of your students' essays. One of the sections of the essay isn't very convincing because the student didn't explain himself very well. You want him to write more. You say:
Try to flesh out that first point a little bit more.
Your son made a rude gesture, so he got in trouble at school. Now he's not allowed to ride the school bus for two weeks. You're explaining what happened to your brother. You say:
He got suspended for flipping off the bus driver.
You're a teacher. You're teaching your class with a textbook. Some of the students are moving quickly through the textbook, while some are moving more slowly. You want to tell the slower students to answer some questions. You say:
Take a moment to answer those questions on page 13 if you haven't done so already.
classroom, formal, school, set phrase 
You're a college professor. You're talking to a new class during the first week of school. You want to make sure that the students understand how important it is to do the reading assignments you give them. You say:
It's imperative that you keep up with the reading.
You have a big research paper due for school in 2 days, and you're worried that you won't be able to make the deadline. You're complaining to one of your classmates who you're working with. You've just listed two problems that are making it hard for you to finish your paper. Now you say:
To make matters worse, one of the books I need is checked out.
book, complaining, homework, library, phrasal verb, school, set phrase 
You're hanging out with a friend who just graduated with a Ph.D. You're happy for her, and you want to hear how she feels about it. You say:
You must feel quite a sense of accomplishment.
adverb, college, emotions, graduation, school 