Summary:
The 08033 middle-school list contains one school, Haddonfield Middle School, serving grades 6–8 and enrolling 631 students. With no other school in the list, the most useful comparison is with New Jersey results. In 2025–26, the school’s averages across grades 6–8 were 83% in ELA and 63% in mathematics, compared with state averages of 53% and 34%; its grade 8 science result was 42%, versus 19% statewide. The key finding is that the school scored above the state in every reported, unsuppressed comparison across these core subjects.
Haddonfield Middle School is both the highest- and lowest-scoring school in this list because it is the only one, so there is no meaningful local school ranking. Its standout result was Algebra I: the 2025–26 end-of-course score was 99%, compared with 40% statewide, a 59-point advantage. This is a different comparison group from the grade 8 Algebra I result, which was 99% at the school versus 75% statewide. Among grade-level results, grade 7 mathematics had the largest state gap: 70% proficient at the school versus 38% statewide, a 32-point difference. SchoolDigger also ranked the school 34th of 743 in 2025–26, up from 52nd of 743 in 2023–24; its reported percentile rose from 93 to 95.
Results moved in different directions over the two years: the grade 6–8 ELA average fell from 90% in 2024–25 to 83% in 2025–26, while mathematics rose from 60% to 63% and grade 8 science from 39% to 42%. The school’s state advantage narrowed in ELA, from 33 to 29 points, but widened in mathematics, from 27 to 29 points; the 2025–26 average gaps were nearly identical, at 29.1 points in ELA and 29.2 in mathematics. Context measures describe the school but do not explain its results: in 2024–25, its student–teacher ratio was 18:1, and 2% of students were free/reduced lunch eligible. Chronic absenteeism was 5% that year, below the state’s 14% but above the district’s 4%.
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