There’s a reason those who read the book have been excited for the movie adaptation of “Words on Bathroom Walls.”

This coming-of-age story is unique and thought provoking — an honest, touching depiction of a teenager dealing with mental illness that is a delightful and poignant addition to the “movies about high school” unlike the rest.

Directed by Thor Freudenthal (“Diary of a Wimpy Kid”), the movie is based on a popular young adult novel of the same name written by Julia Walton. The screenplay was written by Nick Naveda.

Charlie Plummer plays Adam, a funny, wry, food-loving high school senior with aspirations of attending culinary school until a wrench is thrown in his plans. A hallucination-related incident leads to both a schizophrenia diagnosis and his expulsion from school. The only school that will take him in partway through the academic year? A Catholic school.

At this school, he meets Maya (Taylor Russell), who is the brilliant, forthright valedictorian with a rebellious streak. She becomes Adam’s tutor, friend and love interest as he navigates the world outside while dealing with the vivid, noisy world inside his head, which is projected to the viewer (and to him when he is not on medication) in the form of three characters that represent different parts of his personality.

Adam serves as a narrator throughout and viewers frequently serve as the role of the psychiatrist when Adam speaks directly to camera in a “therapy” setting. Breaking the fourth wall serves the movie well. It gives Adam the opportunity to share his inner thoughts and motivations throughout the