Completely crazy bout the academy
This line may have two different meanings:
1. Murs' girl may have been extremely smart and intelligent in school
2. Murs' girl was really into what they had and continued being his sex teacher. Note the wordplay since teachers usually teach at academies.
To help improve the meaning of these lyrics, visit "Walk Like A Woman" by Murs (Ft. 9th Wonder) Lyrics and leave a comment on the lyrics box