- Enrollment
- 2,346
- Students per teacher
- 23.5:1
- Resource Index
- 38/100
High school (grades 9-12) · El Dorado, CA
Union Mine High
Federal NCES profile for Union Mine High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 33/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 061207007957
👥 S:T ratio 12
🌟 Gifted program 70
🎓 Counselors 48
📋 Attendance 3
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Union Mine High earns 33/100 on the Resource Investment Index, with class sizes near the California median.
- #3 of 3
- public schools in El Dorado · Resource Index
- 33
- Resource Index · Typical
- 22:1
- students per teacher
- 37.0%
- free-lunch eligible
Union Mine High has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Union Mine High ranks #3 of 3 public schools in El Dorado, CA.
School address
District: El Dorado Union High · California
NCES ID 061207007957 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-20 students YoY
Union Mine High held near 1,046 students from 2022-23 to 2023-24 (-20 headcount).
Teacher FTE added 47.8 → 51.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-20 students YoY 061207007957 · El Dorado, CA High · MID · TRAD
1,033 enr · 22:1 · 37.0% lunch · RII 33
Nearest enrollment peer: Oak Ridge High (2,346 students)
Union Mine High held near 1,046 students from 2022-23 to 2023-24 (-20 headcount). Teacher FTE added 47.8 → 51.0 across the same CCD years. Read with this school → · District book → · California schools → · Find another →
Union Mine High in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Oak Ridge High
Oak Ridge High
2,346 students
- Ponderosa High
Ponderosa High
1,675 students
- El Dorado High
El Dorado High
1,135 students
- This school
Union Mine High
1,033 students
- Pacific Crest 117
Pacific Crest Academy
117 students
- Independence C 104
Independence Continuation
104 students
What this shows Union Mine High reports 1,033 students on the CCD universe file.
How Union Mine High compares
Union Mine High held steady on CCD headcount: ratios and free-lunch share vs California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 22:1 | ▲ 2% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 37.0% | ▼ 33% | 55.5% | 51.7% |
| Enrollment | 1,033 | top 11% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
22:1
Leaner classes than 10% of US schools, heavier class loads than most.
1,033
Bigger than 92% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
Economic need
37.0%
free-lunch eligible
- 33% below the California average of 55.5%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
22:1
students per teacher
- 2% above state mean
Top 53% in California - lower ratio than 47% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
38.8%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$14,669
per pupil, district-wide
- below California avg of $18,665
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors4.0 FTE
Per 258 students, the combined health-and-guidance staffing load for this school.
Discipline context
8
in-school suspensions + 101 out-of-school
Suspension rate: 0.8 per 100 students. Combined in-school and out-of-school rate: 10.6 per 100 students. Reported via the Civil Rights Data Collection. Includes 2 expulsions.
Student demographics
White 65.9%
Hispanic or Latino 24.8%
Two or More 6.0%
American Indian / Alaska Native 1.4%
Asian 1.0%
African American 0.8%
Native Hawaiian / Pacific Islander 0.2%
Largest group: White at 65.9% of enrollment.
Student-body diversity index 50.0/100
Simpson diversity index - at 50.0, Union Mine High is more mixed than the California school average of 46.0.
Programs
AP courses offered 14
Gifted & talented Yes
District finance for El Dorado Union High reports $14,669 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Union Mine High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Oak Ridge High | Larger | Lower economic need | Higher S:T ratio |
| Ponderosa High | Larger | Lower economic need | Similar S:T ratio |
| El Dorado High | Similar size | Similar economic need | Lower S:T ratio |
| Pacific Crest Academy | Smaller | Lower economic need | Similar S:T ratio |
| Independence Continuation | Smaller | Higher economic need | Lower S:T ratio |
Comparisons are relative to Union Mine High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,675
- Students per teacher
- 23.3:1
- Resource Index
- 26/100
- Enrollment
- 1,135
- Students per teacher
- 19.9:1
- Resource Index
- 22/100
- Enrollment
- 117
- Students per teacher
- 23.4:1
- Resource Index
- 52/100
- Enrollment
- 104
- Students per teacher
- 14.9:1
- Resource Index
- 50/100
Similar high schools in El Dorado
1 comparable high schools (grades 9-12) serving the same city.
Nationwide high schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~1,033 students)
Frequently asked questions about Union Mine High
How many students attend Union Mine High?
Union Mine High has 1,033 students enrolled. It is a high school in El Dorado, CA. CCD year-over-year: 1,066 (2022-23) → 1,046 (2023-24), nearly flat (-20).
What is the student-teacher ratio at Union Mine High?
The student-teacher ratio at Union Mine High is 22:1, which is 2% higher than the California average of 21.5:1 and 40% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Union Mine High?
37.0% of students at Union Mine High are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Union Mine High?
The largest demographic group at Union Mine High is White at 65.9% of enrollment, in El Dorado, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 50.0/100.
What is the Resource Investment Index for Union Mine High?
Union Mine High has a Resource Investment Index of 33/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Union Mine High rank among public schools in El Dorado?
By Resource Investment Index, Union Mine High ranks #3 of 3 public schools in El Dorado, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking.
What other schools are in El Dorado Union High?
Besides Union Mine High, El Dorado Union High also operates Oak Ridge High (2,346 students), Ponderosa High (1,675 students), and El Dorado High (1,135 students). See the El Dorado Union High district page for the complete list.