Little Witch Academia (TV), Shoujo☆Kageki Revue Starlight Recommendations
While differing on style and presentation, both shows revolve around the study of creative disciplines (either theatre or magic) in specialized schools that encourage competition. Both feature an underdog protagonist and a perfectionistic rival, with the two of them being inspired by a performance seen during childhood. Both are ultimately allegorical works, as their battle or adventure oriented plots represent the struggles in competition and refinement that are characteristic of the artistic field.
All girls high school, similar yet different characters, fun dynamic and great storytelling.