- Enrollment
- 1,265
- Students per teacher
- 20.4:1
- Resource Index
- 21/100
High school (grades 9-12) · Loomis, CA
Del Oro High
Federal NCES profile for Del Oro High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 27/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 063075004782
👥 S:T ratio 5
🌟 Gifted program 30
🎓 Counselors 18
📋 Attendance 55
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Del Oro High earns 27/100 on the Resource Investment Index, with class sizes near the California median. It is also one of the largest schools in California.
- #3 of 6
- public schools in Loomis · Resource Index
- 27
- Resource Index · Lower
- 23.7:1
- students per teacher
- 11.0%
- free-lunch eligible
Del Oro High has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Del Oro High ranks #3 of 6 public schools in Loomis, CA.
School address
District: Placer Union High · California
NCES ID 063075004782 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+2 students YoY
Del Oro High held near 1,622 students from 2022-23 to 2023-24 (+2 headcount).
Teacher FTE lost 69.5 → 66.9 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+2 students YoY 063075004782 · Loomis, CA High · MID · TRAD
1,634 enr · 23.7:1 · 11.0% lunch · RII 27
Nearest enrollment peer: Placer High (1,265 students)
Del Oro High held near 1,622 students from 2022-23 to 2023-24 (+2 headcount). Teacher FTE lost 69.5 → 66.9 across the same CCD years. Read with this school → · District book → · California schools → · Find another →
Del Oro High in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- This school
Del Oro High
1,634 students
- Placer High
Placer High
1,265 students
- Colfax High 611
Colfax High
611 students
- Foresthill Hig 190
Foresthill High
190 students
- Maidu Virtual 115
Maidu Virtual Charter Academy
115 students
- Confluence Con 103
Confluence Continuation High
103 students
What this shows Del Oro High reports 1,634 students on the CCD universe file.
How Del Oro High compares
Del Oro 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 | 23.7:1 | ▲ 10% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 11.0% | ▼ 80% | 55.5% | 51.7% |
| Enrollment | 1,634 | top 5% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
23.7:1
Leaner classes than 7% of US schools, heavier class loads than most.
1,634
Bigger than 97% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
Economic need
11.0%
free-lunch eligible
- 80% below the California average of 55.5%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
23.7:1
students per teacher
- 10% above state mean
Top 69% in California - lower ratio than 31% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
18.1%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$16,433
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 409 students, the combined health-and-guidance staffing load for this school.
Discipline context
27
in-school suspensions + 41 out-of-school
Suspension rate: 1.7 per 100 students. Combined in-school and out-of-school rate: 4.2 per 100 students. Reported via the Civil Rights Data Collection. Includes 8 expulsions.
Student demographics
White 73.7%
Hispanic or Latino 13.1%
Two or More 9.1%
Asian 2.8%
American Indian / Alaska Native 1.0%
African American 0.3%
Largest group: White at 73.7% of enrollment.
Student-body diversity index 43.0/100
Simpson diversity index - at 43.0, Del Oro High is less mixed than the California school average of 46.0.
Programs
AP courses offered 1
District finance for Placer Union High reports $16,433 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Del Oro High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Placer High | Similar size | Higher economic need | Lower S:T ratio |
| Colfax High | Smaller | Higher economic need | Lower S:T ratio |
| Foresthill High | Smaller | Higher economic need | Lower S:T ratio |
| Maidu Virtual Charter Academy | Smaller | Higher economic need | Lower S:T ratio |
| Confluence Continuation High | Smaller | Higher economic need | Lower S:T ratio |
Comparisons are relative to Del Oro High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 611
- Students per teacher
- 21.1:1
- Resource Index
- 35/100
- Enrollment
- 190
- Students per teacher
- 15.8:1
- Resource Index
- 54/100
- Enrollment
- 115
- Students per teacher
- 19.2:1
- Resource Index
- 43/100
- Enrollment
- 103
- Students per teacher
- 20.6:1
- Resource Index
- 24/100
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 (~1,634 students)
Frequently asked questions about Del Oro High
How many students attend Del Oro High?
Del Oro High has 1,634 students enrolled. It is a high school in Loomis, CA. CCD year-over-year: 1,620 (2022-23) → 1,622 (2023-24), nearly flat (+2).
What is the student-teacher ratio at Del Oro High?
The student-teacher ratio at Del Oro High is 23.7:1, which is 10% higher than the California average of 21.5:1 and 51% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Del Oro High?
11.0% of students at Del Oro High are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Del Oro High?
The largest demographic group at Del Oro High is White at 73.7% of enrollment, in Loomis, CA.
What is the Resource Investment Index for Del Oro High?
Del Oro High has a Resource Investment Index of 27/100 (lower 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 Del Oro High rank among public schools in Loomis?
By Resource Investment Index, Del Oro High ranks #3 of 6 public schools in Loomis, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Loomis on the city page.
What other schools are in Placer Union High?
Besides Del Oro High, Placer Union High also operates Placer High (1,265 students), Colfax High (611 students), and Foresthill High (190 students). See the Placer Union High district page for the complete list.