Summary
Seneca Elementary School South Campus serves grades 5–8 in Seneca, Illinois, and enrolls 209 students. Its latest results show strong achievement compared with the state: 67% of students were proficient in English language arts (ELA), versus 56% statewide, and 54% were proficient in math, versus 40% statewide. The clearest takeaway is that the school performs well above state averages overall, with particularly strong results in science.
Compared with nearby schools, Seneca ranked second in all-grades ELA and math among seven schools with reported results, behind Coal City Middle School. Seneca’s 5th-grade science result was 67%, versus 48% statewide, and its 8th-grade result was 68%, versus 52% statewide; both led nearby same-grade comparisons. ELA varies by grade, however: 7th-grade proficiency was 50%, 8 points below the state and 17 points below Seneca’s all-grades result, while 6th- and 8th-grade ELA were 77% and 82%. In the district comparison, all-grades ELA was 66.5%, just 0.3 points below the district’s 66.8%; math was 54%, 3 points below the district’s 56%.
Results have improved over time: from 2023–24 to 2025–26, ELA rose by 21 points and math by 14 points, while the school’s advantage over the state grew to 10 points in ELA and 14 in math. SchoolDigger ranked Seneca in the 77th percentile statewide and gave it four stars in 2025–26; only Coal City ranked higher among nearby schools with a current rating. SchoolDigger’s ranking for Low Socio Economic Status Students rose from the 32nd percentile in 2022–23 to the 62nd in 2024–25, a notable improvement in how well the school serves that group, though it remained below the school’s overall 78th-percentile ranking in 2024–25. The school had a student-teacher ratio of 10.4 in 2024–25, the lowest reported among nearby schools, and 37% of students were free/reduced lunch eligible that year, the second-lowest share among nearby schools with the same measure.
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