Summary:
ZIP code 57225 has four schools serving elementary through high school, all in Clark School District 12-2. Three schools reported 2025–26 all-grades results, with school averages of 47% in ELA and 34% in math, compared with state results of 49% and 44%. The school-to-school spread was 27 percentage points in ELA and 49 points in math. The clearest finding for families is that reported results vary substantially by school, especially in math.
Clark Elementary stands out at the top: its results were 60% in ELA and 57% in math, respectively 11 and 13 points above state results. At the bottom, Silver Lake Colony recorded 33% in ELA and 8% in math—16 and 36 points below the state. Clark Middle fell between them, at 46% in ELA and 37% in math, but its 8th-grade results were notably weaker: 25 points below the state in ELA and 30 points below in science. Clark High School had below-state ACT proficiency in all three reported subjects, while its graduation rate was 93%, 6 points above the state.
Recent trends diverged: Clark Elementary improved 5 points in ELA and 7 in math, and Clark Middle improved 11 and 3 points; Silver Lake Colony declined 10 points in ELA and 13 in math. SchoolDigger ranked Clark Elementary at the 71st percentile and Clark Middle at the 30th in 2025–26; Silver Lake Colony’s latest listed ranking was the 37th percentile in 2024–25. As context, 2024–25 free/reduced lunch eligible shares ranged from 25% at Clark Middle to 81% at Silver Lake Colony; this describes school populations, not the reason for score differences. Enrollment ranged from 16 at Silver Lake Colony to 212 at Clark Elementary, and student-teacher ratios ranged from 8.0 to 13.5. Grade spans differ, Silver Lake Colony’s science result is suppressed, and Clark High’s ACT results are not directly comparable with the other schools’ results.
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