Overview of John W Lavelle Preparatory Charter School: John W Lavelle Preparatory Charter School is ranked 329th within New York. learners have the opportunity to take Advanced Placement® coursework and exams. The AP® participation rate at John W Lavelle Preparatory Charter School is 66%. The total minority enrollment is 91%, and 58% of learners are low-income. John W Lavelle Preparatory Charter School is 1 of 520 high schools in the New York City Public Schools: Learners/Teachers at John W Lavelle Preparatory Charter School: These counts and percentages of learners and teachers are from data reported by schools to the government. Test Scores at John W Lavelle Preparatory Charter School: U.S. News calculates these values for schools based on learner performance on state-required tests and internationally available exams on college-level coursework (AP® and IB exams).