Scores updated for 2026!

Mark Twain Union Elementary

Copperopolis Elementary

217 School Street, Copperopolis, CA 95228-0145

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Summary

Copperopolis Elementary is underperforming.

Reading and math results average to the 40th percentile among comparable California schools.

Only 44.3% of students met California's reading standard, but it is quickly trending up.Trending up

Math is weaker: 27.4% of students met California's math standard, but it is trending up.Trending up

Proficiency stats

Current Reading Proficiency44.3%
Current Math Proficiency27.4%
Reading State Rank2,290/4,657 (51st percentile)
Math State Rank3,275/4,657 (30th percentile)

School information

Student / Teacher Ratio28:1
Student enrollment (2024–25)216
Low-Income Students129 (59.7%)
English Learners4 (1.9%)
Admissions
AdmissionsOpen enrollment
Charter schoolNo
Magnet schoolNo

Reading Proficiency Scores

2026 state test results

Race and Ethnicity

White and Hispanic or Latino students have the strongest results.

Distribution of Scores by Grade

The share meeting the reading standard ranges from 27.3% to 64.0% across the grades shown. Overall, the school’s reading results rank in the top 50% among California schools in the same grade-level category.

Low-Income vs Non-Low-Income

The 21.8-point reading income gap is slightly wider than the 17.6-point gap at a typical California K–6 school. It widened over the period shown.

Low-Income
Non-Low-Income
Low-Income +10.8 percentage pointsTrend up•
Non-Low-Income +21.1 percentage pointsTrend up

English Learners vs English Native

Results for both language groups are unavailable, so a current reading gap cannot be calculated.

English Learners
English Native
English Learners N/A•
English Native +16.6 percentage pointsTrend up

Math Proficiency Scores

2026 state test results

Race and Ethnicity

White students have the strongest math results at about 35% proficiency. The other reported groups range from about 16% to 16%.

Distribution of Scores by Grade

The share meeting the math standard ranges from 10.0% to 40.0% across the grades shown. Overall, the school’s math results rank No. 3,275 of 4,657 among California schools in the same grade-level category.

Low-Income vs Non-Low-Income

The 3.3-point math income gap is narrower than the 17.5-point gap at a typical California K–6 school. It narrowed slightly over the period shown.

Low-Income
Non-Low-Income
Low-Income +4.0 percentage pointsTrend up•
Non-Low-Income +12.5 percentage pointsTrend up

English Learners vs English Native

Results for both language groups are unavailable, so a current math gap cannot be calculated.

English Learners
English Native
English Learners N/A•
English Native +9.1 percentage pointsTrend up

Progress as students move up

2023–2026
How we compare income gaps

“Typical” means the median gap across 1,479 schools for reading and 1,483 for math. The comparison uses 2026 California K–6 schools with at least 20 tested students in each income group and a reported low-income student population. Each school counts once. Its gap is non-low-income proficiency minus low-income proficiency, including negative gaps. California state test data

Understanding this school

How does Copperopolis Elementary rank in California?

Copperopolis Elementary ranks No. 2,290 of 4,657 in reading and No. 3,275 of 4,657 in math for 2026. These proficiency rankings compare California schools in the same grade-level category.

How does Copperopolis Elementary compare with other schools in Calaveras County?

Copperopolis Elementary is No. 1 in reading and No. 2 in math proficiency among the 3 K–6 schools in Calaveras County with 2026 results.

Explore schools in Calaveras County