Freshman: Is never in bed past noon.
Senior: Is never out of bed before noon.

Freshman: Reads the syllabus to find out what classes he can cut.
Senior: Reads the syllabus to find out what classes he needs to attend.

Freshman: Brings a can of soda into a lecture hall.
Senior: Brings a jumbo hoagie and six-pack of Mountain Dew into a recitation class.

Freshman: Would walk ten miles to get to class.
Senior: Drives to class if it's more than three blocks away.

Freshman: Memorizes the course material to get a good grade.
Senior: Memorizes the professor's habits to get a good grade.

Freshman: Knows a book-full of useless trivia about the university.
Senior: Knows where the next class is, Usually.

Freshman: Has to ask where the computer labs are.
Senior: Has own personal workstation.

Freshman: Lines up for an hour to buy his textbooks in the first week.
Senior: Starts to think about buying textbooks in January... maybe.

Freshman: Looks forward to first classes of the year.
Senior: Looks forward to first beer party of the year.

Freshman: Is proud of his A+ on Calculus in midterm
Senior: Is proud of not quite failing his Complex Analysis midterm

Freshman: Calls his girlfriend back home every other night
Senior: Calls Domino's every other night!