Enrollment
495
California · 2024-25 NCES data
Elementary school (grades K-5) · Lompoc, CA
Federal NCES profile for Clarence Ruth Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 9/100.
The verdict
Clarence Ruth Elementary earns 9/100 on the Resource Investment Index, with class sizes near the California median.
Clarence Ruth Elementary has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Clarence Ruth Elementary ranks #7 of 9 elementary schools in Lompoc, CA.
NCES ID 062241002689 Verify on NCES CCD record →
Enrollment
495
California · 2024-25 NCES data
Teachers (FTE)
21.0
Federal CCD staff survey
Students per teacher
23.6:1
vs 21.5:1 California avg
+10% vs state
Free-lunch eligible
76.9%
vs 55.5% California avg
+39% vs state
How Clarence Ruth Elementary compares with California and U.S. medians
Slightly above state median
23.6:1 - 2.1 above the California state median of 21.5:1, indicating larger average class loads than typical schools in the state.
Clarence Ruth Elementary is a high-poverty, mid-sized elementary school in Lompoc, California, enrolling 495 students.
Class loads run somewhat heavier than typical: 23.6:1 puts it in the larger third of California schools by student-teacher ratio.
Economic need runs somewhat above the state's typical profile, with 76.9% of students eligible for free meals.
With 495 students, its enrollment sits close to the California median campus size.
Its Resource Investment Index trails 99% of the 9,998 California schools with a score on record, one of the lower results on this measure.
Among 2,198 similarly sized, similarly resourced-need California schools statewide, it ranks #2,136, in the lower tier once campus size and economic need are matched.
Its student body is predominantly Hispanic or Latino (87% of enrollment) (diversity index 25/100).
Counselor access is stretched at roughly 495 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 41.4% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Among Lompoc's elementary schools, it stands alongside Arthur Hapgood Elementary (768 students): Clarence Ruth Elementary is smaller than that campus by headcount and runs leaner classes (23.6:1 vs 26.5:1).
Lompoc Unified also operates Lompoc High (1,593 students) and Cabrillo High (1,060 students) alongside Clarence Ruth Elementary.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
Clarence Ruth Elementary on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 23.6:1 | ▲ 10% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 76.9% | ▲ 39% | 55.5% | 51.7% |
| Enrollment | 495 | top 46% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Largest group: Hispanic or Latino at 86.5% of enrollment.
Simpson diversity index - at 24.6, Clarence Ruth Elementary is less mixed than the California school average of 46.0.
District-wide per-pupil expenditure for Lompoc Unified, which includes Clarence Ruth Elementary.
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Lompoc High | Larger | Lower economic need | Lower S:T ratio |
| Cabrillo High | Larger | Lower economic need | Lower S:T ratio |
| Arthur Hapgood Elementary | Larger | Similar economic need | Higher S:T ratio |
| Lompoc Valley Middle | Larger | Lower economic need | Lower S:T ratio |
| Miguelito Elementary | Larger | Lower economic need | Similar S:T ratio |
Comparisons are relative to Clarence Ruth Elementary's own figures; each column derives from NCES Common Core of Data.
6 comparable elementary schools (grades K-5) serving the same city.
Matched by enrollment size and by staffing ratio across all of California, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Clarence Ruth Elementary's federal record.
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Clarence Ruth Elementary has 495 students enrolled. It is an elementary school in Lompoc, CA.
The student-teacher ratio at Clarence Ruth Elementary is 23.6:1, which is 10% higher than the California average of 21.5:1 and 50% higher than the national average of 15.7:1.
76.9% of students at Clarence Ruth Elementary are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at Clarence Ruth Elementary is Hispanic or Latino at 86.5% of enrollment, in Lompoc, CA.
Clarence Ruth Elementary has a Resource Investment Index of 9/100 (lower reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Clarence Ruth Elementary ranks #7 of 9 elementary schools in Lompoc, 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 Lompoc on the city page.
Clarence Ruth Elementary earns 9/100 on the Resource Investment Index, with class sizes near the California median. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
Besides Clarence Ruth Elementary, Lompoc Unified also operates Lompoc High (1,593 students), Cabrillo High (1,060 students), and Arthur Hapgood Elementary (768 students). See the Lompoc Unified district page for the complete list.
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.
Published by
PlainSchools Editorial
Independent public-data reference that compiles, verifies, and contextualizes official datasets. We do not accept compensation from entities we cover, and every dataset cites its originating public source.
Last updated:
PlainSchools, “Clarence Ruth Elementary, Lompoc CA.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/clarence-ruth-elementary-ca
You are welcome to quote these figures with attribution to PlainSchools and the underlying source. The URL above is stable.