Cashell Elementary vs Rock Creek Valley Elementary

Cashell Elementary and Rock Creek Valley Elementary sit 3.8 miles apart in Rockville, Maryland, but their overall ratings diverge meaningfully: Cashell Elementary scores 9.6/10 against Rock Creek Valley Elementary's 8.8/10. That 0.8-point gap widens further in state context — Cashell Elementary ranks #7 of 1,363 Maryland schools, placing it in the top 1% statewide, while Rock Creek Valley Elementary ranks #105 of 1,363, a strong result that nonetheless reflects a 98-school distance between the two.

On academic and growth performance, Cashell Elementary leads on both dimensions. Its academic score of 9.6/10 runs 1.3 points ahead of Rock Creek Valley Elementary's 8.3/10 — a concrete gap that signals a meaningful difference in tested proficiency. The growth scores tell a similar story: Cashell Elementary's 9.5/10 exceeds Rock Creek Valley Elementary's 8.6/10 by 0.9 points, indicating that students at Cashell are gaining ground relative to peers at a faster rate, not merely reflecting advantaged intake.

The two schools differ in enrollment size and economic composition. Rock Creek Valley Elementary enrolls 367 students versus Cashell Elementary's 342, a modest difference, but the student-teacher ratios diverge more sharply: Rock Creek Valley Elementary's 10.2:1 ratio gives it roughly two fewer students per teacher than Cashell Elementary's 12.2:1. On socioeconomic profile, Rock Creek Valley Elementary serves 35% of students on free or reduced-price lunch versus 28% at Cashell Elementary — a 7-point gap suggesting Rock Creek Valley Elementary reaches a somewhat broader economic range within Rockville.

Both schools serve grades PK–05, so grade-span is not a differentiator. The distinction lies in the combination of outcome metrics and classroom density: Cashell Elementary pairs elite statewide ranking with slightly larger classes, while Rock Creek Valley Elementary offers a lower student-teacher ratio at a measurably lower academic and growth performance level, while still serving a more economically diverse student body in the top 8% of Maryland schools.