Skip to content
S

Browns Elementary vs Cobblestone Elementary

A head-to-head comparison of two elementary schools in California, United States, 6.5 km apart, using official American 2025 data. The better value in each row is highlighted.

MeasureBrowns Elementary
Rio Oso, California
Cobblestone Elementary
Plumas Lake, California
Success Index (US)
55
Top 50%
52
Top 50%
State rank#1628 of 5,693#1787 of 5,693
National rank#21498 of 50,301#23752 of 50,301
SectorPublicPublic
TypeElementaryElementary
Year rangeGrades K–8Grades K–5
Students143590
Enrollment143590
Free/reduced-price lunch29.4%44.4%
Students per teacher14.322.7
Reading proficiency57%52%
Math proficiency32%52%
cityRio OsoPlumas Lake
stateCaliforniaCalifornia
Website––

The verdict

  • β€’Browns Elementary scores higher on the Success Index (US) (55.2 vs 52.0).
  • β€’Cobblestone Elementary does better on math proficiency (52% vs 32%).
  • β€’Browns Elementary does better on reading proficiency (57% vs 52%).
  • β€’Browns Elementary does better on community advantage (fewer free/reduced-price lunch) (29.4% vs 44.4%).
  • β€’Browns Elementary does better on students per teacher (14.3 vs 22.7).
  • β€’Cobblestone Elementary is the larger school with 590 students compared with 143.

The Success Index (US) summarises published results and context from official data. It does not measure teaching quality or fit. Methodology.

Free academic assessment

Torn between two schools? Start with your child.

Whichever you choose, a free Success Tutoring assessment shows exactly where your child is in English and Maths and how to get ahead before the next school year.

  • Personalised learning plan mapped to the Australian Curriculum
  • English & Maths from Kindergarten to Year 12
  • Flexible memberships, no lock-in contracts
  • Centres across NSW, VIC, QLD, WA, SA and ACT

No cost, no obligation. By submitting you agree to be contacted by Success Tutoring about your enquiry. See our privacy policy.

Frequently asked questions

Is Browns Elementary better than Cobblestone Elementary?

On the Success Index (US), Browns Elementary ranks higher (55.2 vs 52.0 out of 100). The index is built from published results and context data, not from teaching quality or fit, so visit both schools before deciding.

How far apart are Browns Elementary and Cobblestone Elementary?

About 6.5 km in a straight line, between Rio Oso and Plumas Lake in California.

Which has the better Enrollment?

Browns Elementary: 143. Cobblestone Elementary: 590. Students enrolled in the latest NCES directory year.

How do Browns Elementary and Cobblestone Elementary rank in California?

Browns Elementary is 1628th of 5,693 and Cobblestone Elementary is 1787th of 5,693 among elementary schools in California on the 2025 Success Index (US).