St. Michael's Choir School

St. Michael's Choir School (also known as SMCS, The Choir School, or St. Mike's Choir) is a semi-private Catholic choir school for boys from grades 3–12 in Toronto, Ontario, Canada. Overseen by the Roman Catholic Archdiocese of Toronto, the school provides a private music education in joint operation with the Toronto Catholic District School Board, which administers all other academic subjects, athletics programs, and extracurricular activities. The school is affiliated with the Pontifical Institute of Sacred Music and is a member of the International Boys' Schools Coalition.

St. Michael's Choir School trains choristers and musicians in classical and liturgical music through regular choral, music theory, and piano instruction, and optional lessons in music history, vocal, organ, classical guitar, and orchestral string instruments. Admission to the school is by audition and students sing in concerts in Canada and internationally and during weekly mass at St. Michael's Cathedral Basilica. In addition to music and the performing arts, the school's alumni include professionals in business, academia, law, medicine, media, and politics.