Rochester Intermediate School

Rochester Intermediate School, a medium-sized middle school in Rochester, Illinois, one of the schools within Rochester CUSD 3A, serves 394 students, covering grades 4 through 6.

Within Rochester CUSD 3A, which oversees 5 schools and 2,012 students, Rochester Intermediate School is one campus in the system.

On demographics, Rochester Intermediate School logs that nearly all students (89%) are White. Other groups include 6% multiracial, 3% Black. The wider county runs roughly 78% White, putting the school's mix visibly more White than the area baseline.

On the income-and-resources front, Staff filings list 27 full-time-equivalent teachers, which works out to roughly 14.6:1 students per teacher. Statewide, the average ratio sits near 13.0:1, putting Rochester Intermediate School higher than the state norm the norm. Around 15% of the student body qualifies for free or reduced-price meals, which schools and policymakers use as a rough income-mix signal. That share is noticeably below Sangamon County's rate of about 48%.

On a demographically-adjusted basis, Rochester Intermediate School falls in the UNDERPERFORMING tier of the BeatsExpectations residual. Given its student profile, a typical campus would land near 62.7%; this one comes in at 46.4%, -16.4 points off the demographic line.

In the area at large, the surrounding county (Sangamon County) shows that median household income runs about $75,357, roughly 37% of adults have completed at least a four-year degree, and roughly 9% of residents live below the federal poverty line. Across Sangamon County's 77 public schools (combined enrollment of about 27,345 students), Rochester Intermediate School is one campus in the mix.

Rochester Jr High School is the nearest neighboring public school, about 1.1 miles from this campus. 4 of the 8 nearest public schools sit inside a five-mile radius. Among the 6 schools in that immediate cluster with test data (this one included), Rochester Intermediate School ranks 1st on composite proficiency, above the local average of 30.5%.

Geographically, the school is in a countryside area.

Five-year trend. Over the past 7-year window, the student count decreased 21%: 497 students in 2018 compared to 394 in 2025. Class-load math has fell: from 15.8:1 in 2018 to 14.6:1 in 2025.

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