Original Research by School Decision on Mastery Cs-mann Campus
Mastery CS-Mann Campus is a public charter school serving kindergarten through sixth grade in Philadelphia. It is part of the Mastery Charter network, a multi-site operator within the city.
The enrollment is modest, distributed fairly evenly across the grades. The student body is predominantly Black, with smaller populations of Hispanic students and students identifying as two or more races. White and Asian enrollment numbers are very small. Data on free-or-reduced-price lunch eligibility, students with individualized education plans, and English learners were not available, so a reader cannot see the full economic or special-needs profile from the information provided here.
The school faces an important context going forward. In June 2025, the Philadelphia school board approved Mastery Mann for a five-year charter renewal, publicly reported, but with conditions attached. The charter schools office had categorized the campus as approaching, but not yet meeting, academic success. The conditional renewal locks in operation through roughly 2030, but the designation signals that the school is under ongoing academic scrutiny and has not yet demonstrated consistent strong performance. Families should understand that the school is in a period of active improvement expectations, not yet at a performance level the district considered secure.
State academic proficiency data for the school was not available, so a reader cannot see how students perform on tested subjects. Because Mann serves grades K through 6 only, it has no graduation rate to report; those data simply do not apply to a school that does not serve a graduating class.
Among Philadelphia County's districts, Mann's chronic absenteeism rate sits above the median for the county—a softer spot that a parent may want to discuss directly with the school, given the role attendance plays in early-grade learning. Per-pupil spending falls in the middle range, lower half, among county districts.
The school is undergoing curriculum and pedagogical shifts for the 2025-2026 school year. Mastery is replacing prior English language arts programs across its network with Amplify CKLA in elementary grades, a structured, knowledge-building literacy approach. Additionally, the school will issue Chromebooks to students in grade 6 and above starting in the coming year, formalizing a 1:1 device model that shapes how students access assignments both in class and at home. These are material changes to how reading and writing are taught and how students engage with schoolwork.
For families considering Mann, the core questions center on whether the conditional renewal status and the improvement trajectory match their own comfort level, whether the new literacy curriculum aligns with their instructional preferences, and whether the school's attendance patterns and current academic standing fit their needs. The school's location in Philadelphia and its charter status mean it operates outside the traditional district structure, so enrollment may draw from across the city rather than a specific neighborhood attendance zone.
See more original research from School Decision →