How does Union Mine High compare to other high schools in El Dorado?

Union Mine High has a Scope Score of 68.3/100, ranked #443 among California high schools. 19% of students exceed standard, with a total of 455 students tested across grades and subjects.

What percentage of students exceed standards at Union Mine High?

18.9% of students at Union Mine High exceed the state standard on CAASPP assessments, while 43.3% meet or exceed it. The gap between these two numbers reveals whether the school pushes students beyond basic proficiency.

What is the chronic absenteeism rate at Union Mine High?

19.5% of students at Union Mine High are chronically absent (missing 10% or more of school days). This metric reflects school culture and family engagement, and is weighted at 15% in the Scope Score.

Union Mine High

High School

El Dorado Union High El DoradoEl Dorado County95623

📍 6530 Koki Lane

Scope Score

out of 100

State Rank

of 1,649 California high schools

🌱

Building Momentum

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Scope Scores are SchoolScope's analysis of public data from the California Dept. of Education (CAASPP, chronic absenteeism, suspension rates). They are not official CDE ratings and should not be the sole basis for school decisions. See methodology.

School overview

Enrollment

1,046 students

Student-Teacher Ratio

21:1

Free/Reduced Lunch

39%

Teachers

50 full-time

College & career readiness

Graduation Rate

97.9%

AP Exam Prepared

53.3%

A-G Completion

48.3%

College-Going Rate

59.2%

Data source: California Department of Education — ACGR, CCI, CGR reports

Dashboard indicators

How this school's scores changed from last year to this year

ELA Year-over-Year

Increased

+9.0 pts DFS change

Math Year-over-Year

Declined

-7.2 pts DFS change

EL Proficiency (ELPAC)

14.3%

English learners at Level 4 (Well Developed) · 42 tested

Data source: California School Dashboard 2025, ELPAC 2024

Student demographics

Hispanic24.8%

White66.5%

Asian0.6%

Black0.6%

Other7.5%

Performance breakdown

Performance breakdown for Union Mine High
Category	Percentage
Exceeded Standard	18.9%
Met Standard	24.4%
Below Standard	56.7%

Score Factors

Helping

✓Graduation rate: 97.9%

10.5pp above state avg (state avg 87.4%)

25% weight

✓Exceeded standard: 18.9%

3.2pp above state avg (state avg 15.7%)

20% weight

✓College readiness: 53.3%

AP exam pass rate above state avg (state avg 35.3%)

20% weight

✓Met or exceeded: 43.3%

8.5pp above state avg (state avg 34.8%)

15% weight

✓Chronic absenteeism: 19.5%

14.8pp below state avg (state avg 34.3%)

10% weight

✓Baseline proficiency: 43.3%

Above state baseline (state avg 34.8%)

5% weight

Holding Back

▼Suspension rate: 8.1%

4.0pp above state avg (state avg 4.1%)

5% weight

Unlike traditional school ratings, we show our work. Every factor, its weight, and how this school compares to the state average — so you can decide what matters most to your family. The high school Scope Score is weighted across 7 dimensions. See full methodology →

What other rankings don't show you

Most rating sites report "43% proficient" for Union Mine High and stop there. Here's what that number hides:

18.9% of students exceeded standard while 24.4% met it. That exceeded rate is 3.2 points above the state average of 15.7%. That's 4.2 points below the El Dorado Union High district average of 23.1%. Compared to the 2 nearby schools within ~3 miles, this exceeded rate is 5.4 points higher (vs 13.4% average). The gap between "met" and "exceeded" can reveal how much a school's curriculum challenges students beyond proficiency.

The graduation rate is 97.9% — above the state target. 48.3% of students complete A-G requirements for UC/CSU eligibility. 59.2% of graduates go on to college within a year.

Chronic absenteeism is 19.5%, better than the state average of 34.3%.

Why the exceeded vs. met split matters →