Five of the six city charter high schools operated by Mastery Schools showed improvement in their four-year graduation rates in the last five years, according to the most recent data reported by the Pennsylvania Department of Education.

Mastery Charter School Pickett Campus reported the highest four-year graduation rate of 94.29%, followed by Mastery Charter School Shoemaker Campus at 93.33%; Hardy Williams Mastery Charter School at 90%; Mastery Charter School Thomas Campus at 86.24%, Mastery Charter School Lenfest Campus at 83.91% and Simon Gratz High School Mastery Charter at 83.91%.

They had increased on average by almost 2% since the 2018-2019 school year, except for Hardy Williams, which was down about 2%.

The Department of Education figures are from the 2023-2024 school year and were reported in April. In Pennsylvania, the average four-year graduation rate was about 88% for the same period.