Promise boys
(Book)

J.B., Ramón, and Trey, students of the Urban Promise Prep School, must follow the school's strict rules, but when their principal is murdered, the three boys must band together to track down the real killer before they are arrested.

The Urban Promise Prep School vows to turn boys into men. As students, J.B., Ramón, and Trey are forced to follow the prestigious program's strict rules. Extreme discipline, they've been told, is what it takes to be college bound, to avoid the fates of many men in their neighborhoods. This, the Principal Moore Method, supposedly saves lives. When Moore ends up murdered, the trio emerges as the case's prime suspects. All three maintain their innocence, and they band together to track down the real killer before they are arrested. But is the true culprit hiding among them? -- adapted from jacket