For years, the fundamentals of dance class have stayed the same — a waist-level barre to rest a hand for support during exercises, a mirrored wall, and the beat of the music. But at Boca Raton’s Stars ...

Eleven-year-old London Buckstein — back arched, arm raised and foot forward — takes a deep breath and looks out at the audience at the start of her first solo for Stars Dance Studio. Hearing the soft ...