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What's one thing Union Mine High gets right about preparing students for what comes next?
Community prompt from u/allk12. Replies below.
Enrollment
1,033
High
DISTRICT 1,068 · STATE 838
SCHOOL COMMUNITY·EL DORADO UNION HIGH·NCES 061207007957
Union Mine High
6530 Koki Ln., El Dorado, CA 95623 · (530) 621-4003 · El Dorado County
GRADES 09–12HIGH31-TOWNREGULAR SCHOOL1,033 STUDENTS
C
allk12 Grade
Scored higher than 30% of California public high schools
- BTest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- DBeats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- DThree-year trend Change in reading and math proficiency over the last three test years.
Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded California public high schools
Student : Teacher
21.1:1
49 FTE teachers
DISTRICT 22.0:1 · STATE 18.2:1
Free / Reduced Lunch
37%
385 students
DISTRICT 31% · STATE 65%
Community
6
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Grade 9 | 252 | 24% |
| Grade 10 | 276 | 27% |
| Grade 11 | 256 | 25% |
| Grade 12 | 249 | 24% |
Student demographics
50%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 53% · STATE 62% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Test scores
CAASPP 2024-25 . % met or exceeded standardEnglish Language Arts
60.5%
CA avg 49.1% . -14.5pp since 2014
Math
26.0%
CA avg 37.7% . -20.0pp since 2014
What this means: On the CAASPP, California's statewide test, about 61 of every 100 students at this school read and write at grade level and about 26 of 100 do math at grade level. Across all California schools, those numbers are about 49 and 38. Reading and writing scores are down about 14 points since 2014, while math scores are down about 20 points.
Performance levels, 2024-25
| Subject | Standard Exceeded | Standard Met | Standard Nearly Met | Standard Not Met |
|---|---|---|---|---|
| English Language Arts | 28.1% | 32.5% | 23.3% | 16.2% |
| Math | 9.7% | 16.3% | 24.7% | 49.3% |
Share of tested students at each CAASPP level. Each student counts in one level, so a row adds to about 100%.
CAASPP results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 60.5% | 26.0% |
| 2023-24 | 61.2% | 30.0% |
| 2022-23 | 55.5% | 28.1% |
| 2021-22 | 67.2% | 28.1% |
| 2020-21 | 67.1% | 31.2% |
| 2018-19 | 65.4% | 44.2% |
| 2017-18 | 68.0% | 48.4% |
| 2016-17 | 66.7% | 44.7% |
| 2015-16 | 79.0% | 49.0% |
| 2014-15 | 75.0% | 46.0% |
% met or exceeded standard, all students and all tested grades.
Source: CAASPP. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
44.4%
composite math + reading, all grades
Predicted
57.7%
based on CA schools with similar FRL share
Beats by
-13.3pp
below demographic expectation
What this means: About 44% of students here test proficient in math and reading, compared with the roughly 58% typical for California schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among California's top nor bottom 10%.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
Schools most like Union Mine High
Union Mine High's state test result (44.4% proficient) is higher than 1 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Union Mine High this school | 1,033 | 37.3% | 44.4% |
| El Dorado High Placerville | 1,135 | 38.0% | 46.7% |
| Sonora High Sonora | 880 | 38.3% | 47.1% |
| Arcata High Arcata | 1,007 | 40.3% | 50.0% |
| Petaluma High Petaluma | 1,193 | 40.9% | 43.5% |
| Nevada Union High Grass Valley | 1,561 | 37.0% | 44.6% |
Matched among California high schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where Union Mine High ranks
Among high schools| Measure | This school | In California | In El Dorado County |
|---|---|---|---|
| State test proficiency ranked highest first | 44.4% | #420 of 1,052 | #4 of 6 |
| Math proficiency ranked highest first | 26.0% | #505 of 1,056 ▼ 131 | #5 of 6 ▼ 1 |
| Reading proficiency ranked highest first | 60.5% | #463 of 1,056 ▼ 46 | #4 of 6 ▼ 1 |
| 3-year test score change ranked biggest drop first | -4.4pp | #149 of 1,044 | #1 of 6 |
| Enrollment ranked largest first | 1,033 | #755 of 2,093 | #5 of 9 |
| Students per teacher ranked fewest first | 21.1:1 | #707 of 1,352 | #4 of 6 |
| Diversity index ranked most diverse first | 50.0% | #680 of 1,351 | #4 of 6 |
| Free and reduced lunch ranked highest share first | 37.3% | #1,329 of 1,575 | #5 of 7 |
Ranked against other public high schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
1,033
-99 (-9%) vs 2020
-13% since 2000-01, when it was 1,182
Student : Teacher
21.1:1
was 23.6:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 1,033 | 48.9 | 21.1:1 | 37% (385) |
| 2023-24 | 1,046 | 51 | 20.5:1 | 39% (405) |
| 2022-23 | 1,066 | 47.8 | 22.3:1 | 38% (408) |
| 2020-21 | 1,132 | 48 | 23.6:1 | 42% (474) |
| 2017-18 | 1,033 | 46.5 | 22.2:1 | 35% (357) |
| 2015-16 | 1,047 | 45 | 23.3:1 | 28% (294) |
| 2010-11 | 1,030 | N/A | N/A | 23% (237) |
| 2000-01 | 1,182 | 55 | 21.5:1 | 11% (130) |
Source: NCES Common Core of Data. Rows are the federal collections on file for Union Mine High.
Since 2017-18: students unchanged (1,033 to 1,033); teachers up 5% (46.5 to 48.9).
About Union Mine High
Union Mine High is a medium-sized high school. Its address is in El Dorado, California. Enrollment is 1,033 students in 2024-25, and the school serves grades 9 through 12. Against the 838-student average for high schools in California, enrollment here is 23% higher.
In El Dorado Union High, 6 schools enroll a combined 6,410 students.
At 66%, White students outnumber all other groups at Union Mine High combined. The remaining students are 25% Hispanic and 6% multiracial. Among people living in El Dorado County, the White share is about 78%. Union Mine High has a diversity index of 50%, compared with 70% for all US public school students.
The school reported 48.9 full-time-equivalent teachers in 2024-25 and a ratio of 21.1:1. The 18.2:1 average for high schools in California is lower than this school's figure. Eligible students account for 37% of enrollment in the free or reduced-price lunch program.
The allk12 Grade for Union Mine High is C. Compared with California public high schools, the school scored higher than 30% on a mix of test scores, poverty-adjusted results, and recent trend.
In California, Union Mine High is in the middle band of BeatsExpectations: 44.4% actual against a predicted 57.7%.
El Dorado County census figures show that median household income is about $108,845, a bachelor's degree or higher is held by about 40% of adults, and the share of residents below the poverty line is 5%. A total of 69 public schools operate in El Dorado County, serving about 34,706 students.
The closest other public school is Pacific Crest Academy, about 0.2 miles away. Around the school, at least 8 other public schools are within five miles. Its average proficiency rate of 44.4% is above the 32.4% average for nearby schools.
The NCES locale for Union Mine High is Town: Fringe, which covers schools in a town close to an urbanized area.
The 2024-25 enrollment of 1,033 was 9% lower than in 2020-21, when it was 1,132. Federal data show the ratio falling from 23.6:1 to 21.1:1.
Conversations here can range across science fairs, picture day, and bus routes. Posting is open to anyone connected to the school.
El Dorado County at a glance
View full county profilePopulation
192,662
Census ACS
Median income
$108,845
Household, ACS
Bachelor's+
40%
Adults 25+
Poverty rate
5%
Below federal line
Schools in county
69
34,706 students
Quick facts
Related schools
Other schools in El Dorado Union High
- Oak Ridge HighHigh · 2,346 students
- Ponderosa HighHigh · 1,675 students
- El Dorado HighHigh · 1,135 students
- Pacific Crest AcademyHigh · 117 students
- Independence ContinuationHigh · 104 students
Other schools in El Dorado
- Charter Home Study AcademyElementary · 295 students
- Pacific Crest AcademyHigh · 117 students
- Charles F. Brown ElementaryElementary · 85 students
Nearby schools
- Pacific Crest Academy0.2 mi · 117
- Charter Home Study Academy0.4 mi · 295
- Charles F. Brown Elementary0.4 mi · 85
- Independence Continuation1.5 mi · 104
- Sky Mountain Charter1.9 mi · 2,511
- Herbert C. Green Middle2.3 mi · 363
Frequently asked questions
About Union Mine HighHow many students attend Union Mine High?
Union Mine High enrolls approximately 1,033 students in grades 09-12.
What age range does Union Mine High serve?
Union Mine High serves students from grade 09 through grade 12.
How many teachers does Union Mine High have?
Union Mine High employs 49 FTE teachers, for a student-to-teacher ratio of 21.1:1.
What is the student diversity at Union Mine High?
Student demographics at Union Mine High are roughly 66% White, 25% Hispanic, 1% Black, 1% Asian, 6% Two or more.
Is Union Mine High public or private?
Union Mine High is a public K-12 school, overseen by El Dorado Union High.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.