Chalamet attended PS 87 William T. Sherman School for elementary school, and later the selective Delta program at MS 54 Booker T. Washington Middle School, which he described as a "miserable three years" due to the lack of a creative outlet within the school's academically rigorous environment.[21] His acceptance into Fiorello H. LaGuardia High School of Music & Art and Performing Arts was a turning point in his appreciation for acting. He stated, "I had some excellent teachers and really fell in love with it.