Summary:
Harrisburg CUSD 3 serves 1,670 students in four schools, from kindergarten through grade 12: West Side Primary (K–2), East Side Intermediate (3–5), Harrisburg Middle (6–8), and Harrisburg High (9–12). No test scores are listed for West Side. The clearest takeaway is that results vary sharply by subject: Middle pairs especially strong English language arts with a substantial math shortfall.
Harrisburg Middle stands out at the top in 2025–26 all-grades ELA, with 68% proficiency versus 56% statewide, 11 points higher; its math result was 22% versus 40%, 18 points lower. That split also appears by grade: Middle’s ELA results were above state results in grades 6–8, while its math results were below in all three. East Side was below the state overall in ELA and math, but its grade-level results were mixed: grade 4 was above state results in both, while grade 5 math was 11 points below. Harrisburg High was below state results in all three 2025–26 ACT subjects, by 9 to 14 points.
Some results improved, but not consistently. High’s ACT proficiency rose by 8 points in ELA, 4 in math, and 8 in science from the prior year, though all three remained below state results. Grade 9 PreACT ELA rose from 50% to 66%, moving from 12 points below the state to 5 points above; grade 10 ELA and science declined. East Side’s overall ELA rose 5 points, while Middle’s standout ELA and weak math pattern remained important distinctions. SchoolDigger ranks Middle highest among the three schools with rank histories (42nd percentile), then East Side (38th) and High (31st); these are rankings, not test scores. The 2024–25 free/reduced lunch eligible measure ranged from 61% to 67% across schools, and student-teacher ratios ranged from 11.4 to 13.6.
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