Summary:
Zip code 60084 has four schools serving elementary through high school: two elementary schools, one middle school and one high school, with 3,155 students combined. The 2025–26 results show a varied picture: Robert Crown School is above state results in both all-grades IAR subjects, while Wauconda Grade School is below state in ELA and Wauconda Middle School is close to state overall. The most important contrast is in fifth grade: Robert Crown leads Grade School by 28 points in ELA, 13 in math and 24 in science.
Robert Crown stands out among the elementary schools, with 67% proficient in all-grades ELA and 55% in math—10 and 15 points above state results. Wauconda Grade School has the weaker overall ELA result of the two elementary schools: 53%, 3 points below state, although its 46% in math is 7 points above. Its fifth-grade results are a particular concern: 41% in ELA, 31% in math and 39% in science, each below state. Wauconda Middle is near state overall, but eighth-grade ELA is 12 points below state. At Wauconda High School, grade 10 ELA is 10 points above state, while grade 9 is below state in all three subjects.
Recent changes reinforce the uneven picture: Grade School’s math fell 4 points and its fifth-grade science fell 12 points from 2024–25 to 2025–26; High School’s grade 9 ELA and science each fell about 18 points, even as grade 10 results improved or held up. SchoolDigger’s 2025–26 rankings place Robert Crown highest at the 71st percentile and Grade School lowest at the 47th; since 2023–24, those rankings fell 9 and 23 percentile points, respectively. For context, 2024–25 free/reduced lunch eligible measures were 24% at Robert Crown and 40% at Grade School; their student-teacher ratios were 11.6:1 and 9.5:1. These are observations, not explanations of score differences. High School also combines 91% graduation with 29% chronic absenteeism, above the state’s 24%. Year-to-year test comparisons reflect different student cohorts.
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