Roslyn Road Elem School vs Arnett C Lines Elem School

Arnett C Lines Elementary School holds a clear overall edge over Roslyn Road Elementary School — 9.6/10 versus 8.6/10 — a 1.0-point gap that translates directly into state rank: Arnett C Lines sits at #18 of 3,813 Illinois schools while Roslyn Road ranks #168 of 3,813. Both schools serve the same Barrington community just 1.5 miles apart, but that 150-position difference in the statewide standings represents a meaningful separation in measured school quality.

The academic gap is narrow — Roslyn Road scores 9.5/10 versus Arnett C Lines at 9.9/10 — but the growth score tells a different story. Arnett C Lines posts a 9.8/10 growth score against Roslyn Road's 7.7/10, a 2.1-point difference that indicates students at Arnett C Lines are accelerating their learning at a substantially faster rate regardless of where they start. For families weighing long-term academic trajectory, that growth gap carries significant weight.

Both schools serve grades KG–05 and operate in similar socioeconomic territory. Arnett C Lines enrolls 488 students compared to Roslyn Road's 452, a modest size difference. Free and reduced-price lunch eligibility sits at 14% at Arnett C Lines versus 16% at Roslyn Road — essentially comparable. Roslyn Road offers a slightly lower student-teacher ratio of 12.6:1 against Arnett C Lines's 13.6:1, giving Roslyn Road a marginal edge in classroom staffing density.

Both schools cap at 5th grade and share the same district, so the pipeline into middle school is identical. The distinction between them comes down almost entirely to performance metrics: Arnett C Lines leads in every academic and growth measure while Roslyn Road offers one extra student per teacher, on average. For families prioritizing demonstrated outcomes and upward academic momentum, the data consistently points in one direction across this side-by-side comparison.