The top reported proficiency rate is 46% in Science. The lowest is 36% in Math.
Original Research by School Decision on Mifflin Thomas Sch
Mifflin Thomas is a neighborhood school in Philadelphia serving children from pre-kindergarten through eighth grade. The school sits in a mixed-income residential area where the median home value is modest for the city, and rental costs are stable. The school's housing context reflects the broader city's moderate growth: Philadelphia itself is adding residents after pandemic losses, with concentrated redevelopment in Center City while older neighborhoods like the one where Mifflin Thomas operates remain steadily residential.
The student body is economically vulnerable. All students at the school qualify for free or reduced-price lunch, indicating that every child in the building comes from a low-income household. The student composition is majority Black, with a meaningful share of Hispanic and white students and smaller populations of students of other backgrounds. State testing data from the most recent year show proficiency rates that fall below the middle of the range. In English language arts, around two in five students met the state's proficiency benchmark. In mathematics, the rate was lower, with roughly a third of students proficient. Science results from a prior year sat at approximately the midpoint. These numbers place Mifflin Thomas among the lower-performing schools in Philadelphia County's district membership when viewed against the broader universe.
The school does not report its special education or English learner enrollment, so parents may want to ask the school directly about those populations and the services available. The school enrollment is stable but modest, distributed fairly evenly across grades.
Philadelphia's district leadership has undertaken significant curriculum reform that directly affects instruction at every school. The district adopted a new mathematics curriculum (Illustrative Mathematics, K-12) beginning in the 2023-24 school year and a structured, science-of-reading approach to English language arts (EL Education for K-8) beginning in 2024-25. These materials are now in place at Mifflin Thomas and shape what students are learning daily in those subjects. Early results from the reading curriculum showed a one-point dip in district reading scores after year one, even as the district continues to emphasize the long-term value of the science-of-reading approach. This is the instructional context families should know they are entering.
The district also faces a major structural change. In April 2026, the Board approved a facilities master plan that will close schools and reshape school catchments across the city beginning in the 2026-27 school year. While Mifflin Thomas was not listed among the closures, the plan will affect transportation and school boundaries for many families. Parents attending any Philadelphia school should confirm their building's status and expected catchment with the district directly, as these changes will roll out over the coming years.
Housing in the school's zip code is relatively affordable compared to Philadelphia's center and compared to national benchmarks, though mortgage rates remain elevated. Families renting in the area are paying typical neighborhood rates with modest annual increases. The broader Philadelphia economy is anchored by healthcare, higher education, and life sciences, with major employers including the University of Pennsylvania, Comcast, Children's Hospital, and the city and school district themselves. The city itself is highly walkable and offers substantial public library and park access.
For a family considering Mifflin Thomas, the key questions are whether the child's learning profile fits with the school's current academic standing and approach, and whether the family has clarity on the district's curriculum and catchment plans for the years ahead.
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