Mastery CHS-Lenfest Campus is a public charter high school in Philadelphia, Pennsylvania, and is part of the Mastery Charter Schools network. It serves grades 9-12. The school has a student population of 900 students and a student-teacher ratio of about 16:1. This ensures a structured academic environment with individual attention to the students. Mastery CHS-Lenfest Campus provides college preparatory courses, career-based opportunities for learning, instruction in STEM areas, arts programs and extracurricular activities that are designed to promote academic achievement and personal development. Students are ethnically and socio-economically diverse, mirroring the diverse urban community of Philadelphia. Mastery CHS-Lenfest Campus has 13% proficiency in Math and 30% proficiency in Reading. Known for student success, advanced learning opportunities, and a supportive environment, this institution stands out as the best high school in Pennsylvania. Pennsylvania public charter school funding and educational resources provide for counseling services, technology integration, academic intervention programs and extracurricular activities. Students also participate in standardized assessments such as the SAT, Keystone Exams and college readiness activities as part of the graduation preparation. Mastery CHS-Lenfest Campus has a positive school culture, structured learning environment and focus on improving student outcomes and post-secondary readiness.