Enrollment
171
California · 2024-25 NCES data
Other / mixed grade configuration · Clarksburg, CA
Federal NCES profile for Clarksburg Middle, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 15/100.
The verdict
Clarksburg Middle earns 15/100 on the Resource Investment Index, with class sizes near the California median.
Clarksburg Middle has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Clarksburg Middle ranks #3 of 3 public schools in Clarksburg, CA.
NCES ID 063311011731 Verify on NCES CCD record →
Enrollment
171
California · 2024-25 NCES data
Teachers (FTE)
8.0
Federal CCD staff survey
Students per teacher
21.4:1
vs 21.5:1 California avg
-0% vs state
Free-lunch eligible
51.5%
vs 55.5% California avg
-7% vs state
How Clarksburg Middle compares with California and U.S. medians
At or below state median
21.4:1 - 0.1 below the California state median of 21.5:1, indicating smaller average class loads than typical schools in the state.
Clarksburg Middle is a higher-need, small combined-grade school in Clarksburg, California, enrolling 171 students.
At 21.4:1, its student-teacher ratio sits close to the California median, within a few percentage points of the 21.5:1 state norm, neither notably crowded nor notably small.
Its free-meal eligibility rate of 51.5% lands close to the California typical range, neither a high- nor low-need campus by this measure.
Enrollment of 171 puts it in the smaller third of California schools by headcount.
Its Resource Investment Index trails 91% of the 9,998 California schools with a score on record, one of the lower results on this measure.
Among 390 similarly sized, similarly resourced-need California schools statewide, it ranks #363, in the lower tier once campus size and economic need are matched.
Its student body is led by Hispanic or Latino (76%) and White (16%) (diversity index 40/100).
Counselor access is stretched at roughly 855 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 33.3% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
River Delta Joint Unified also operates D. H. White Elementary (432 students) and Rio Vista High (317 students) alongside Clarksburg Middle.
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
Clarksburg Middle on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 21.4:1 | ▼ 0% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 51.5% | ▼ 7% | 55.5% | 51.7% |
| Enrollment | 171 | top 85% | - | - |
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 76.0% of enrollment.
Simpson diversity index - at 39.5, Clarksburg Middle is less mixed than the California school average of 46.0.
District-wide per-pupil expenditure for River Delta Joint Unified, which includes Clarksburg Middle.
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 |
|---|---|---|---|
| D. H. White Elementary | Larger | Similar economic need | Higher S:T ratio |
| Rio Vista High | Larger | Similar economic need | Lower S:T ratio |
| Delta High | Similar size | Similar economic need | Lower S:T ratio |
| Isleton Elementary | Similar size | Similar economic need | Similar S:T ratio |
| Riverview Middle | Similar size | Similar economic need | Lower S:T ratio |
Comparisons are relative to Clarksburg Middle's own figures; each column derives from NCES Common Core of Data.
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 Clarksburg Middle'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.
Clarksburg Middle has 171 students enrolled. It is a public school in Clarksburg, CA.
The student-teacher ratio at Clarksburg Middle is 21.4:1, which is 0% lower than the California average of 21.5:1 and 36% higher than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
51.5% of students at Clarksburg Middle are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at Clarksburg Middle is Hispanic or Latino at 76.0% of enrollment, in Clarksburg, CA.
Clarksburg Middle has a Resource Investment Index of 15/100 (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, Clarksburg Middle ranks #3 of 3 public schools in Clarksburg, 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 Clarksburg on the city page.
Clarksburg Middle earns 15/100 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 Clarksburg Middle, River Delta Joint Unified also operates D. H. White Elementary (432 students), Rio Vista High (317 students), and Delta High (196 students). See the River Delta Joint 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.
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PlainSchools, “Clarksburg Middle, Clarksburg 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/clarksburg-middle-ca
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