Justin Bieber had various teachers throughout his education, including Kim Booker, who remembers him fondly.
While pinpointing every single teacher Justin Bieber had is impossible, it's known he attended Stratford's St. Michael Catholic Secondary School. His former teacher, Kim Booker, has given interviews discussing her memories of him as a student. He graduated in 2012 with a 4.0 GPA. Furthermore, growing up, he learned to play various instruments. He was taught by music instructors for piano, drums, guitar, and trumpet. These instructors contributed to his musical abilities.
