Formerly Castle Frank, the school has been reinvented and re-purposed by Principal Barrie Sketchley.

[1] In 2023, principal Barrie Sketchley was honored by the Toronto School Administrators Association for being the "longest-career principal in TDSB history and in the province of Ontario", having worked as a TDSB principal for the past 40+ years, and as the Rosedale Heights School of the Arts principal since its founding more than 30 years ago.

[2] RHSA accepts students from all over the Greater Toronto Area.

RHSA has a 670-seat auditorium, two band/orchestra rehearsal spaces, three fully equipped dance studios, two drama rooms, a dark room, a vocal room, and various visual art studios used for printmaking, graphic design, etc.

The school is also home to an Olympic-size swimming pool.