The top reported proficiency rate is 70% in English language arts. The lowest is 39% in Science.
Original Research by School Decision on Daniel F. Mahoney Middle School
Daniel F. Mahoney Middle School served middle-grade students in South Portland as part of South Portland Public Schools, sitting on Ocean Street in a city that blends residential neighborhoods with large-scale retail, an industrial waterfront, and technology manufacturing. The most important fact for any parent or resident to know up front is that this school is now closed, which means the academic and community picture below describes a place that no longer operates. What follows is a record of what it was, drawn from the data available.
On the most recent state assessments, the school's results were mixed across subjects. English language arts stood out as a clear strength, with a solid majority of tested students reaching proficiency, a result that reflects well on the school's literacy instruction. Math was more middling, with roughly half of students meeting the proficiency bar, neither a glaring weakness nor a particular standout. Science was the soft spot, with fewer than half of tested students demonstrating proficiency. A parent reviewing this pattern might want to look into how the school approached science instruction and what supports were in place, though since the school has closed, that question is now mostly of historical interest. Participation rates across all three subjects were strong, indicating that nearly all enrolled students were included in testing.
Enrollment figures, demographic breakdowns, free-and-reduced-price lunch rates, and special population data were not available in the records we reviewed, so we cannot describe the student body's composition, size, or economic profile. The same is true for staffing, discipline data, course access, attendance, and Title I status, all of which came back blank. We note these gaps rather than guess at them. The school was not a charter or magnet, functioning as a regular public middle school within the district.
South Portland itself is a city of varied character. Publicly reported sources describe it as once principally residential, now diversified across commercial, industrial, and advanced-technology sectors. The Maine Mall anchors the largest retail corridor in the state along the western side of the city, while semiconductor manufacturers Texas Instruments and Diodes Incorporated operate facilities there. The waterfront handles oil shipments through the Portland-Montreal Pipe Line, and Rigby Yard, the largest railroad yard in New England, sits within city limits. Southern Maine Community College occupies a waterfront campus at Fort Preble on the eastern shore. Walkability varies sharply by neighborhood, with older eastern sections near Knightville, Ferry Village, and Willard offering traditional street grids and scenic waterfront walking, while the western retail corridors are auto-oriented suburban development.
The housing market in the school's zip code sits well above both state and national benchmarks, making this one of the more expensive areas in the region for homebuyers. Rents also run higher than the state norm, though the gap between estimated monthly mortgage costs and rents is modest, with renting coming in slightly below the cost of carrying a mortgage at current rates. The price-to-income ratio is elevated, meaning families need a relatively strong income to buy into this area.
At the district level, publicly reported information notes that South Portland voters approved a bond to rebuild and consolidate elementary schools, with construction beginning in the period following. This points to a district actively reshaping its school configuration, and the closure of Mahoney Middle School likely fits within that broader reorganization. Parents looking at South Portland Public Schools today would want to contact the district directly to understand how middle-grade students are now served and which buildings have taken on the role Mahoney once played.
The available data does not include multi-year trend comparisons, and assessment flags indicate changes to test names and cut scores in math and English, making year-over-year comparisons unreliable. Average scale scores were not reported. Without enrollment, demographic, or program information, the picture of this school remains incomplete, and given its closed status, filling those gaps would require district records that go beyond what was available here.
See more original research from School Decision →