The student could get a GED.
Will the student be able to satisfy all of the HS graduation requirements for his/her school?
Answering the question in the OP…sure…a kid can apply to an elite college when graduating from HS a year early. Why wouldn’t they be able to do so? Just check and make sure that the required courses for admission have been completed.
@WorryHurry411 didn’t you already have a whole thread about this?