Enrollment
446
California · 2024-25 NCES data
Elementary school (grades K-5) · Antioch, CA
Federal NCES profile for Jack London Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 26/100.
The verdict
Jack London Elementary earns 26/100 on the Resource Investment Index, even as it posts class sizes smaller than 70% of California schools. It is also more racially and ethnically mixed than most California schools.
Jack London Elementary has class sizes smaller than 70% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Jack London Elementary ranks #4 of 17 elementary schools in Antioch, CA.
NCES ID 060285000156 Verify on NCES CCD record →
Enrollment
446
California · 2024-25 NCES data
Teachers (FTE)
23.0
Federal CCD staff survey
Students per teacher
19.4:1
vs 21.5:1 California avg
-10% vs state
Free-lunch eligible
70.9%
vs 55.5% California avg
+28% vs state
How Jack London Elementary compares with California and U.S. medians
Smaller classes than state median
19.4:1 - 2.1 below the California state median of 21.5:1, indicating smaller average class loads than typical schools in the state.
Jack London Elementary is a higher-need, mid-sized elementary school in Antioch, California, enrolling 446 students.
Class sizes run a bit leaner than typical: 19.4:1 puts it in the smaller third of California schools by student-teacher ratio.
Economic need runs somewhat above the state's typical profile, with 70.9% of students eligible for free meals.
With 446 students, its enrollment sits close to the California median campus size.
Its Resource Investment Index lands in the lower third of 9,998 scored California schools.
Against 2,061 statewide peers matched on enrollment and economic need, it ranks mid-pack at #953.
Its student body is led by Hispanic or Latino (40%) and African American (29%), more mixed than most schools in the state (diversity index 73/100).
Counselor access is stretched at roughly 446 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 54.0% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Among Antioch's elementary schools, it stands alongside Muir (John) Elementary (660 students): Jack London Elementary is smaller than that campus by headcount and runs leaner classes (19.4:1 vs 22.8:1).
Antioch Unified also operates Deer Valley High (1,812 students) and Antioch High (1,776 students) alongside Jack London 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
Jack London 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 | 19.4:1 | ▼ 10% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 70.9% | ▲ 28% | 55.5% | 51.7% |
| Enrollment | 446 | top 53% | - | - |
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 39.5% of enrollment.
Simpson diversity index - at 73.1, Jack London Elementary is more mixed than the California school average of 46.0.
District-wide per-pupil expenditure for Antioch Unified, which includes Jack London 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 |
|---|---|---|---|
| Deer Valley High | Larger | Lower economic need | Higher S:T ratio |
| Antioch High | Larger | Similar economic need | Higher S:T ratio |
| Park Middle | Larger | Similar economic need | Higher S:T ratio |
| Dallas Ranch Middle | Larger | Lower economic need | Higher S:T ratio |
| Orchard Park | Larger | Lower economic need | Higher S:T ratio |
Comparisons are relative to Jack London 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 Jack London 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.
Jack London Elementary has 446 students enrolled. It is an elementary school in Antioch, CA.
The student-teacher ratio at Jack London Elementary is 19.4:1, which is 10% lower than the California average of 21.5:1 and 24% higher than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
70.9% of students at Jack London Elementary are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at Jack London Elementary is Hispanic or Latino at 39.5% of enrollment, in Antioch, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 73.1/100.
Jack London Elementary has a Resource Investment Index of 26/100 (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, Jack London Elementary ranks #4 of 17 elementary schools in Antioch, 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 Antioch on the city page.
Jack London Elementary earns 26/100 on the Resource Investment Index, even as it posts class sizes smaller than 70% of California schools. It is also more racially and ethnically mixed than most California schools. 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 Jack London Elementary, Antioch Unified also operates Deer Valley High (1,812 students), Antioch High (1,776 students), and Park Middle (1,055 students). See the Antioch 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, “Jack London Elementary, Antioch 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/jack-london-elementary-ca/
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