dntw8up wrote : <The title of this thread bothers me. "First" suggests there will be more rejection in the future, which is not a productive attitude to have at this stage in the application process. A more supportive mindset seems desirable. Since only one of several applications has been decided, I think it is premature to be thinking about a gap year.>
While I agree in general principle with what is stated, I think that taken within the context of this specific forum and for one considering a performance based professional course of study and career, rejection is a daily occurrence.
cheerios, I know how you and your son feel. You've still got three schools out, and while any audition based admit is always a crap-shoot, it's not over yet. Your son may well have several options open at the schools you've mentioned.
I do have to ask if you and your son have gone into this process with your eyes open, knowing what might happen and if other possible options were considered. If you've accurately assessed your son's level of talent with the aid of professionals and instructors, and picked a range of reach, match and safety schools, you've done your homework.
In the event the worst happens and he's not admitted anywhere, consider what lorelei has said. Core courses at a community college can be taken to satisfy basic requirements for most any program, and are normally transferable. At the same time, your son can continue intensive private study, continue to build his skillset and perfect audition repetoire, and reaudition next fall. (Some of the programs you mention MAY have spring admission programs... it is rare, but worth looking into.)
Just for reference, check your health insurance coverage if son does take a gap year. Many plans require kids over 18 to be full time students in order to be covered under parent's plan(s).
Here's a past gap year thread which may prove useful.
musical gap year Keep us posted.
Good luck to you both.