Which sequence best completes the text below?

HOW TO GET OFF THE B-SCHOOL WAIT LIST

Every school has a different policy about whether you should be in touch with (1). Some say outright don't call (2), we'll call (3). If (4) is one of (5), follow those instructions. Disobeying will most likely do more harm than good.

(Adapted from http://www.1.íorbes.com)