- Enrollment
- 2,411
- Students per teacher
- 21.7:1
- Resource Index
- 38/100
Elementary school (grades K-5) · Placentia, CA
Ruby Drive Elementary
Federal NCES profile for Ruby Drive Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 13/100.
2024-25 NCES dataElementary school (grades K-5)NCES 063066004769
👥 S:T ratio 0
🌟 Gifted program 30
🎓 Counselors 0
📋 Attendance 22
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Ruby Drive Elementary earns 13/100 on the Resource Investment Index, with class sizes larger than 79% of California schools. It is also less racially and ethnically mixed than most California schools.
- #8 of 9
- elementary schools in Placentia · Resource Index
- 13
- Resource Index · Lower
- 24.9:1
- large classes for California
- 75.3%
- free-lunch eligible
Ruby Drive Elementary has class sizes larger than 79% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Ruby Drive Elementary ranks #8 of 9 elementary schools in Placentia, CA.
School address
District: Placentia-Yorba Linda Unified · California
NCES ID 063066004769 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+7 students YoY
Ruby Drive Elementary held near 380 students from 2022-23 to 2023-24 (+7 headcount).
Teacher FTE added 15.5 → 17.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+7 students YoY 063066004769 · Placentia, CA Elementary · SMALL · TRAD
373 enr · 24.9:1 · 75.3% lunch · RII 13
Nearest enrollment peer: Valencia High (2,411 students)
Ruby Drive Elementary held near 380 students from 2022-23 to 2023-24 (+7 headcount). Teacher FTE added 15.5 → 17.0 across the same CCD years. Read with this school → · District book → · California schools → · Find another →
Ruby Drive Elementary in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Valencia High
Valencia High
2,411 students
- El Dorado High
El Dorado High
1,998 students
- Yorba Linda Hi
Yorba Linda High
1,631 students
- Esperanza High
Esperanza High
1,393 students
- Travis Ranch
Travis Ranch
1,197 students
- This school 373
Ruby Drive Elementary
373 students
What this shows Ruby Drive Elementary reports 373 students on the CCD universe file.
How Ruby Drive Elementary compares
Ruby Drive Elementary 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 | 24.9:1 | ▲ 16% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 75.3% | ▲ 36% | 55.5% | 51.7% |
| Enrollment | 373 | top 64% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
24.9:1
Leaner classes than 5% of US schools, heavier class loads than most.
373
Bigger than 43% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
75.3%
free-lunch eligible
- 36% above the California average of 55.5%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
24.9:1
students per teacher
- 16% above state mean
Top 79% in California - lower ratio than 21% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Engagement
31.1%
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
$15,609
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
Counselors0.5 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 3 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.8 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
Hispanic or Latino 89.0%
Asian 3.8%
White 2.7%
Two or More 2.4%
African American 1.6%
American Indian / Alaska Native 0.3%
Native Hawaiian / Pacific Islander 0.3%
Largest group: Hispanic or Latino at 89.0% of enrollment.
Student-body diversity index 20.5/100
Simpson diversity index - at 20.5, Ruby Drive Elementary is less mixed than the California school average of 46.0.
Programs
District finance for Placentia-Yorba Linda Unified reports $15,609 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Ruby Drive Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Valencia High | Larger | Lower economic need | Lower S:T ratio |
| El Dorado High | Larger | Lower economic need | Similar S:T ratio |
| Yorba Linda High | Larger | Lower economic need | Similar S:T ratio |
| Esperanza High | Larger | Lower economic need | Lower S:T ratio |
| Travis Ranch | Larger | Lower economic need | Similar S:T ratio |
Comparisons are relative to Ruby Drive Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,998
- Students per teacher
- 25:1
- Resource Index
- 30/100
- Enrollment
- 1,631
- Students per teacher
- 24.3:1
- Resource Index
- 38/100
- Enrollment
- 1,393
- Students per teacher
- 19.9:1
- Resource Index
- 36/100
- Enrollment
- 1,197
- Students per teacher
- 23.9:1
- Resource Index
- 32/100
Similar elementary schools in Placentia
6 comparable elementary schools (grades K-5) serving the same city.
Golden Elementary
Standard public school
834 students 29.8:1 students per teacher
John O. Tynes Elementary
Standard public school
591 students 21.1:1 students per teacher
Van Buren Elementary
Standard public school
538 students 24.5:1 students per teacher
Brookhaven Elementary
Standard public school
482 students 28.4:1 students per teacher
Sierra Vista Elementary
Standard public school
454 students 26.7:1 students per teacher
Charles Wagner Elementary
Standard public school
440 students 24.4:1 students per teacher
Nationwide elementary 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 (~373 students)
Frequently asked questions about Ruby Drive Elementary
How many students attend Ruby Drive Elementary?
Ruby Drive Elementary has 373 students enrolled. It is an elementary school in Placentia, CA. CCD year-over-year: 373 (2022-23) → 380 (2023-24), nearly flat (+7).
What is the student-teacher ratio at Ruby Drive Elementary?
The student-teacher ratio at Ruby Drive Elementary is 24.9:1, which is 16% higher than the California average of 21.5:1 and 59% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Ruby Drive Elementary?
75.3% of students at Ruby Drive Elementary are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Ruby Drive Elementary?
The largest demographic group at Ruby Drive Elementary is Hispanic or Latino at 89.0% of enrollment, in Placentia, CA.
What is the Resource Investment Index for Ruby Drive Elementary?
Ruby Drive Elementary has a Resource Investment Index of 13/100 (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 Ruby Drive Elementary rank among elementary schools in Placentia?
By Resource Investment Index, Ruby Drive Elementary ranks #8 of 9 elementary schools in Placentia, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Placentia on the city page.
What other schools are in Placentia-Yorba Linda Unified?
Besides Ruby Drive Elementary, Placentia-Yorba Linda Unified also operates Valencia High (2,411 students), El Dorado High (1,998 students), and Yorba Linda High (1,631 students). See the Placentia-Yorba Linda Unified district page for the complete list.