River Valley School

River Valley School is a K-5 school of roomy scale in Lemont, Illinois, one of the schools within Lemont-Bromberek CSD 113A, educateing 588 students in grades 2 through 3. That puts it 54% larger than the typical public school in Illinois, which averages around 381 students.

Lemont-Bromberek CSD 113A runs 4 schools in total, collectively educating 2,664 students. River Valley School is one of those campuses.

In terms of who attends, River Valley School logs that 81% of students identify as White, making the school strongly White-majority; the rest breaks down as 10% Hispanic, 5% Asian, 3% multiracial. The wider county runs roughly 44% White, putting the school's mix visibly more White than the area baseline.

In terms of school funding signals, On paper, River Valley School has 36 full-time-equivalent teachers, translating to a class-load average of around 16.3:1. That figure is higher than the state norm's 13.9:1 average. About 18% of enrolled students meet the income threshold for free or reduced-price lunch, a commonly cited indicator of low-income enrollment. That share is south of Cook County's rate of about 66%.

After controlling for student poverty, River Valley School tracks the demographic baseline. The model predicts 60.9% given the school's FRL share; actual proficiency is 65.1%.

Zooming out to the county, the surrounding county (Cook County) shows that the typical household earns roughly $83,498 per year, about 43% of the adult population holds a bachelor's degree or above, and roughly 10% of residents live below the federal poverty line. In all, Cook County runs 1406 public schools (combined enrollment of about 697,934 students), of which River Valley School is one.

Nearest neighbor: Oakwood School, around 0.1 miles off. Counting just inside five miles, 8 other public schools cluster around River Valley School. Among the 7 schools in that immediate cluster with test data (this one included), River Valley School ranks 3rd on composite proficiency, above the local average of 60.3%.

The campus sits in an outer-ring setting.

Five-year trend. Over the past 7-year window, the student count declined 13%: 677 students in 2018 compared to 588 in 2025. Class-load math has fell: from 17.7:1 in 2018 to 16.3:1 in 2025.

Within the allk12 community for this school, the feed for River Valley School typically covers school events, parent volunteer needs, and clubs. Members of the school community can share what they know.