Union Mine High
Public
High Grades 9–12
Part of El Dorado Union High
6530 Koki Ln., El Dorado, CA 95623 · (530) 621-4003
Community ratings
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Academic performance
Math proficiency31%
State average 33.6%
Reading / language arts66%
State average 48.6%
EDFacts via Urban Institute Education Data Portal (SY2020-21)
At a glance
1,033Students enrolled
21:1Student–teacher ratio
37%Free / reduced lunch
TownSetting
Regular SchoolSchool type
Enrollment by grade
Grade 9252
Grade 10276
Grade 11256
Grade 12249
Students
White · 66%681
Hispanic · 25%256
Two or more races · 6%62
American Indian/Alaska Native · 1%14
Asian · 1%10
Black · 1%8
Native Hawaiian/Pacific Islander · 0%2
Counts as reported to NCES; percentages are of students with a reported race/ethnicity.
Enrollment · last 5 years
1,132’20
1,125’21
1,066’22
1,046’23
1,033’24
Location
6530 Koki Ln. El Dorado
Neighbor reviews
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School facts from the U.S. Department of Education (NCES), 2024-2025 school year. Academic scores from the EDFacts via Urban Institute Education Data Portal (SY2020-21). Community ratings and reviews reflect neighbor opinions, not an official measure of school quality.