Summary:
Arbor Park Middle School is the only middle school in Arbor Park School District 145; it serves grades 5–8 and enrolls 520 students. In 2025–26, 55% of students were proficient in all-grades ELA, close to Illinois’ 56%, while 31% were proficient in math, below the state’s 40%. The most important concern is grade 8 math: 21% were proficient, compared with 35% statewide, a 13-point shortfall.
There is no school-to-school leader or bottom here, since this is the only school in the list; its results are best understood against state figures and across grades. Its strongest grade-level result was grade 6 ELA, with 66% proficient versus 59% statewide, an 8-point advantage. Its largest shortfall was grade 8 math, while grade 7 math was also well below the state at 31% versus 40%, a gap of 9 points. ELA was stronger relative to Illinois than math across grade-level averages: the school averaged 55% in ELA versus 59% statewide, and 31% in math versus 37%. Because only one school is listed, these figures cannot show how it compares with other area schools.
All-grades ELA and math improved from 2024–25 to 2025–26, and both gaps to Illinois narrowed: ELA rose from 49% to 55%, narrowing its shortfall from 4 points to 1; math rose from 28% to 31%, narrowing its gap from 10 points to 9. One exception is science: grade 5 proficiency fell from 46% to 45% as the state rose from 41% to 48%, while grade 8 science improved from 44% to 49% but remained below Illinois. SchoolDigger ranks the school 692nd of 1,126, in the 39th percentile with 2 stars for 2025–26; its percentile was 55 in 2023–24 and 49 in 2024–25. Context figures include an 11.3 student–teacher ratio in 2024–25, 49% eligible for free or reduced-price lunch in 2024–25, and chronic absenteeism of 23% in 2025–26, compared with 22% districtwide and 24% statewide.
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