Crab Orchard Elementary School
School pathway
Test scores
IAR + ISA 2024-25 . % Proficient (Levels 4-5)What this means: On the IAR + ISA, Illinois's statewide test, about 57 of every 100 students at this school read and write at grade level and about 39 of 100 do math at grade level. Across all Illinois schools, those numbers are about 51 and 38. Reading and writing scores are up about 9 points since 2023, while math scores are up about 10 points.
BeatsExpectations
Demographically-adjusted score · methodologyWhat this means: About 49% of students here test proficient in math and reading, compared with the roughly 60% typical for Illinois schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Illinois's top nor bottom 10%.
7-year change
SY 2017-18 vs SY 2024-25About Crab Orchard Elementary School
Crab Orchard Elementary School is an elementary school of small scale in Marion, Illinois, operated by Crab Orchard CUSD 3, teacheing 323 students in grades pre-K through 8.
Within Crab Orchard CUSD 3, which oversees 2 schools and 477 students, Crab Orchard Elementary School is one campus in the system.
Demographically, Crab Orchard Elementary School records that 98% of students identify as White, making the school strongly White-majority. The wider county runs roughly 89% White, putting the school's mix meaningfully more White than the area baseline.
On the income-and-resources front, Staff filings list 22 full-time-equivalent teachers, which works out to roughly 14.8:1 students per teacher. Statewide, the average ratio sits near 13.9:1, putting Crab Orchard Elementary School higher than the state norm the norm. An estimated 20% of students are eligible for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal. By comparison, Williamson County runs at roughly 54%, so the school's eligibility rate is meaningfully below the surrounding baseline.
Adjusting for the school's free-and-reduced-lunch share, Crab Orchard Elementary School tracks the demographic baseline. The model predicts 59.9% given the school's FRL share; actual proficiency is 49.2%.
Across the wider county, census data for Williamson County shows median household earnings sit near $65,604, about 26% of the adult population holds a bachelor's degree or above, and census figures put the poverty rate at about 10%. Across Williamson County's 26 public schools (combined enrollment of about 9,700 students), Crab Orchard Elementary School is one campus in the mix.
Crab Orchard High School is the nearest neighboring public school, about 0.0 miles from this campus. 8 of the 8 nearest public schools sit inside a ten-mile radius, suggesting a relatively low-density school footprint. Among the 9 schools in that immediate cluster with test data (this one included), Crab Orchard Elementary School ranks 5th on composite proficiency, ahead of the local average of 47.7%.
Geographically, the school is in a countryside area.
Five-year trend. Crab Orchard Elementary School's enrollment has edged down 12% since 2018, when it stood at 365 (now 323). Class-load math has tightened: from 20.3:1 in 2018 to 14.8:1 in 2025.
In the discussion threads here, recent activity here tends to focus on enrollment questions, classroom assignments, and PTA news. Parents, students, alumni, and staff are welcome to weigh in.
Williamson County at a glance
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