First of all... CONGRATS!
Secondly... How many hours are you up to?
Heck... by the time you are ready to take the free ground school then you'll probably meet the hiring mins.
Here's what you should do... Call her back and recommend that you just get offered an interview... and have them give the GS Scholarship to someone else since you'll be getting it anyway during new hire GS.
I'm only kinda kidding... depending on your hours of course.
Bob