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Public schoolElementaryGrades K–5

Cobblestone Elementary

🇺🇸 Official data · 2025Plumas Lake, California 95961 · Plumas Lake Elementary

52.0/ 100
Success Index (US)
Top 50%

#1787 of 5,693 elementary schools in California
#23752 of 50,301 nationally

How is this calculated?
Students
590
Enrollment
590
Source: NCES CCD
Free/reduced-price lunch
44.4%
Source: NCES CCD
Students per teacher
22.7
Source: NCES CCD

About Cobblestone Elementary

Cobblestone Elementary is a public elementary located in Plumas Lake, in the Plumas Lake Elementary school district of California, United States. It caters for Grades K–5. In 2025 it enrolled 590 students. Traditional public schools run by a school district; free to attend.

Its Success Index (US) is 52.0 out of 100, placing it in the top 50% of elementary schools in United States and 1787th of 5,693 ranked elementary schools in California. Its strongest component is community advantage (fewer free/reduced-price lunch) (67th percentile), and its weakest is students per teacher (7th percentile).

Other published figures: enrollment 590.

There are 3 schools in Plumas Lake; Cobblestone Elementary ranks 3rd of 3 scored schools there.

Success Index (US) breakdown

Each component is a percentile against elementary schools across United States.

  • Math proficiency (30%)52%
  • Reading proficiency (30%)52%
  • Community advantage (fewer free/reduced-price lunch) (25%)44.4%
  • Students per teacher (15%)22.7

The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.

Published measures

All figures published for Cobblestone Elementary by the official sources.

Enrollment
590
Students enrolled in the latest NCES directory year.
Free/reduced-price lunch
44.4%
Share of students eligible for free or reduced-price lunch.
Students per teacher
22.7
Enrollment divided by FTE teachers; not class size.
Reading proficiency
52%
Share of tested students proficient or above (all students, all grades).
Math proficiency
52%
Share of tested students proficient or above (all students, all grades).

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Schools near Cobblestone Elementary

Closest schools by straight-line distance, with their Success Index (US).

Similar schools

Public elementary schools in California with a comparable Enrollment.

Frequently asked questions

Is Cobblestone Elementary a good school?

Cobblestone Elementary has a Success Index (US) of 52.0 out of 100 (Top 50% of elementary schools in United States) and ranks #1787 of 5,693 in California. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.

Where does Cobblestone Elementary rank in California?

Cobblestone Elementary ranks #1787 of 5,693 elementary schools in California and #23752 of 50,301 nationally on the Success Index (US) (2025 data).

How many students attend Cobblestone Elementary?

Cobblestone Elementary had 590 students in 2025.

Is Cobblestone Elementary a elementary school or a high school?

Cobblestone Elementary is classified as a elementary covering Grades K–5. It is a public school.

What other schools are near Cobblestone Elementary?

There are 10 schools within 15 km of Cobblestone Elementary; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.