Union Mine High School

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Union Mine High School

Public High School | Grade 9-12
6530 Koki Ln,  Diamond Springs, CA
El Dorado Union High School District
4.0
4.3
1,125 Students
A-
Niche Grade

School Details

Head of School
Paul Neville
Student Teacher Ratio
21:1
Average SAT Score
1210
Average ACT Score
26
Math Proficiency
26%
Reading Proficiency
61%
Average GPA
3.57
Graduation Rate
96%

Niche Grade

B+
Academics
A
Teachers
B+
College Prep
B
Administration
C+
Resources/Facilities
B-
Clubs and Activities
B
Sports
B-
Food
Source: Niche
Niche Grades

Niche grades and rankings are calculated using dozens of public data sets and millions of reviews. Niche data scientists and user researchers rigorously analyze data and user opinions to assess the key aspects of K-12 Schools, Colleges, and Places to Live. Every month, millions of students and families use the Niche grades and report cards to find the right school or neighborhood.

Niche Grade Details

Academics
Average GPA
3.57
Reading Proficiency
61%
Math Proficiency
26%
Teachers
Student Teacher Ratio
21:1
Teachers
49
Full Time Teachers
49
Teachers in First or Second Year
4.3%
College Prep
Average SAT
1210
Math
600
Verbal
610
Average ACT
26
Math
25
English
26
Reading
28
Science
26
Number of AP Courses
14
AP Pass Rate
78.7%
AP Math Enrollment
Low
AP Science Enrollment
Low
Other AP Enrollment
Low
Clubs and Activities
Girls Athletic Participation
Low
Boys Athletic Participation
Average

GreatSchools Rating

Source: GreatSchools
GreatSchools Rating
The GreatSchools Rating helps parents compare schools within a state based on a variety of school quality indicators and provides a helpful picture of how effectively each school serves all of its students. Ratings are on a scale of 1 (below average) to 10 (above average) and can include test scores, college readiness, academic progress, advanced courses, equity, discipline and attendance data. We also advise parents to visit schools, consider other information on school performance and programs, and consider family needs as part of the school selection process.
View GreatSchools Rating Methodology

GreatSchools Rating Details

Test Scores

Math
9.7%
State Average
19.4%
Science
9.9%
State Average
11.2%
GreatSchools Test Scores Rating
GreatSchools
The Test Score Rating reflects annual state test results for this school compared with scores statewide.

Teachers and Staff

Students Per Counselor
377:1

Student Diversity

Male
50.8%
Female
49.2%
White
65.9%
Hispanic
24.8%
Two or more races
5.3%
Native American
1.4%
Black
<1%
Asian
<1%
Filipino
<1%
Pacific Islander
<1%

Specialty School Programs

AP Programs Offered
Free/Reduced Lunch Offered
Athletics Program

Colleges Students are Considering

Students are most interested in or go on to attend these colleges.
California State University - Sacramento 123 Students
Folsom Lake College 105 Students
University of California - Davis 104 Students
Cal Poly 84 Students
San Diego State University 73 Students
University of California - Santa Cruz 71 Students
San Francisco State University 69 Students
University of California - Berkeley 65 Students
University of California - San Diego 65 Students
University of California - Los Angeles 60 Students

What Students Want to Study

Niche users from this school are most interested in the following majors.
Psychology 46 Students
Biology 44 Students
Nursing 43 Students
Business 40 Students
Biochemistry and Molecular Biology 27 Students
Environmental Science 27 Students
Mechanical Engineering 23 Students
Kinesiology and Exercise Science 22 Students
Pre-Medicine Studies 17 Students
Criminal Justice and Law Enforcement Administration 17 Students

This School’s Reviews

Niche Reviews
4.0 143 Reviews
4.0 Junior
4/11/2026
Teachers and classes are fine and usually fun, but student body creates a less than friendly environment for the most part.
4.0 Senior
9/15/2025
My experience at Union mine high school has been overall pretty good for the most parts. Staff and administrator is pretty understanding and welcoming.
4.0 Senior
4/4/2025
The school community is very welcoming and filled with kind people. It's easy to find ways to get involved and meet new people. If there was anything I would change, it would be the facilities on campus. Our bathrooms are quite the mess; dirty, sometimes no soap, and most the bathrooms we have are closed down. It bothers many of us students, therefore, it would be pretty great for that problem to be solved.
GreatSchools Reviews
4.3 7 Reviews
5.0 student
6/7/2026
Super awesome school, I just graduated and I had a fantastic high school experience!
5.0 parent
3/26/2021
Newest high school in El Dorado County, well maintained and clean campus. Parental and teacher encouragement, student accountability, and positive reinforcement will help students do well.
1.0 parent
11/28/2016
As of right now I hate the staff at 2 if you were raised in it 1 through 10
5.0 other
4/15/2016
We moved here my daughters sophomore year and as parents we were concerned about the usual, bullying, academics and general happiness of our daughter. We have been very pleased. The kids were very welcoming and friendly to her. The academics, are not as rigorous as San Diego, there is plenty of oppo...

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Union Mine High School is a public school for students in grades 9-12 in Diamond Springs, CA and is served by the El Dorado Union High School District in California. Annual tuition is $0. The school has a total enrollment of 1,125 and maintains a student-teacher ratio of 21:1. Academic records show that 26% of students achieve proficiency in math, and 61% are proficient in reading. Union Mine High School has received feedback and ratings, with a Niche grade of A- and a GreatSchools Rating of 7 out of 10. The average GPA is 3.57, the graduation rate is 96%, and average standardized test scores include an SAT score of 1210 and an ACT score of 26. Discover additional schools in the area, like Independence High School, Fusion Academy Folsom, American River Charter School, and more. Learn more about what Diamond Springs has to offer, and browse homes for sale and for rent near Union Mine High School.

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