A Black student raised by his uncle, known for being a class clown and a skilled basketball player. He faces challenges at Promise school and works to strengthen his familial relationships.

A Salvadoran student at Promise who grapples with societal expectations and is dedicated to forging his own path by focusing on his education and future career ambitions.

The principal and co-founder of Promise school, known for creating a strict and punitive educational system. He is killed at the start of the novel, setting off the central mystery.

Trey's uncle and guardian, a former Marine who is strict and often abusive. He struggles with personal issues that impact his relationship with Trey.

A quiet and reserved minor character who works in the office at Promise, eventually playing a crucial role in solving the murder of Principal Moore.

The dean of students at Promise and interim principal after Moore's death, known for disciplining students similarly to Moore and being involved in dubious activities.