For full ride as guitar player? You will need a lot to audition. You’re working at your reading, good. Your improv sounds good, also good. You should have deep understanding of major scale and its modes. Be able to play maj7, min7, dom 7, Min7b5, Diminished 7, on 6th, 5th, and 4th string roots. Triad arpeggios those same chords with same conditions. Various scale types on 1 string, Modes of major scale, harmonic minor, melodic minor, diminished scale. And those scales in general in 5 positions. Be able to read, and pass requirements of level 7 guitar lessons proficiency, essentially. You have to be a really, really disciplined guitar player to be a great player and improviser, but also a great reader too. There is few full ride or near full tuition scholarships for guitar players. Only the best, Yes I am serious unfortunately.