By TONY GALLOTTO Credits: Joshua Rivera/Freedom Prep Charter School. Credits: Joshua Rivera/Freedom Prep Charter School. By TONY GALLOTTO T his story is the third in a series of profiles highlighting Camden public school leaders. The first focused on Early Childhood Development Center (ECDC) Principal Loray Vaughan. The second profiled Mastery Molina Upper Elementary School Principal Rickia Reid. The third profiled Cooper’s Poynt Family School Principal Janine Casella. The series is sponsored by the Camden Education Fund. CAMDEN NJ – As a student growing up in Pennsauken, Joshua Rivera knew he wanted to help people and serve his community.