More importantly, the priorities will change. You can communicate your understanding of the priorities in different ways. One might be to list them from most to least important. The site should be appealing to students. The site should be fun to use.
Students can easily find answers to questions.
These rankings are usually not obtained by asking direct questions, but are inferred from users' responses to various design alternatives. You might, for example, have one design alternative that includes games and quizzes but not much information on faculty. Another alternative may provide faculty pictures and bios with direct email links. One of the greatest challenges in design is determining people's real priorities and in focusing your efforts on a group of users whose priorities are similar. One way to segment users is by their tendency acceptance new technologies as described by Goeffrey A. Moore in Crossing the Chasm , published in paperback by HarperBusiness.