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Union Mine High

6530 Koki Ln., El Dorado, CA 95623

BSchola Grade
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Grades
9–12
High
Students
1,033
Enrolled 2024–25
Students per teacher
21.1 : 1
Full-time teachers
District
El Dorado Union High
El Dorado County

Schola Grade B · Above average

Letter grade (A–F) · compared with 1,321 California high schools · How we grade
Test scores48% proficient in math & reading
70thpercentile
Equity42% of low-income students proficient
75thpercentile
Attendance34% chronically absent
26thpercentile
Graduation rate96% graduate in 4 years
69thpercentile
College readinessAt least 9% take AP, IB or dual-enrollment courses
13thpercentile
Class size21.1 students per teacher
48thpercentile

Percentiles compare this school with other California high schools; the line marks the middle. Data: test scores 2021–22, graduation and absenteeism 2022–23 (U.S. Department of Education, EDFacts); coursework 2023–24 (Civil Rights Data Collection); staffing 2024–25 (NCES).

About Union Mine High

Union Mine High is a public high school in El Dorado, California, serving grades 9–12. It is part of El Dorado Union High. The school is located in a town on the edge of a metro area in El Dorado County.

In the 2024–25 school year, 1,033 students were enrolled, with about 21.1 students for every full-time teacher. That ratio is larger than the typical California high school (18.5 students per teacher). Its Schola Grade is B (above average), compared with 1,321 California high schools.

Grades & enrollment

Students per grade, 2024–25Grades 9–12

Location & nearby schools

6530 Koki Ln.
El Dorado, CA 95623
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School details

Type
Public School · What this means
Level
High
Grades offered
9–12
Enrollment (2024–25)
1,033 students
Students per teacher
21.1 to 1
AP courses offered
6
Charter school
No
Magnet school
No
Locale
Town — Fringe
School district
El Dorado Union High
County
El Dorado County
NCES school ID
061207007957

Schools near Union Mine High

All 5 schools in El Dorado →

School data comes from the U.S. Department of Education: the National Center for Education Statistics (NCES) Common Core of Data and EDGE school locations (2024–25) and Private School Survey (2023–24), the Civil Rights Data Collection (2023–24), and EDFacts (test results 2021–22; graduation and chronic absenteeism 2022–23), plus other public sources. Please contact the school to confirm enrollment, programs, and other details. How we source data.