Enrollment
26
California · 2024-25 NCES data
Elementary school (grades K-5) · Discovery Bay, CA
Federal NCES profile for Byron Institute for Independent Study, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 10/100.
The verdict
Byron Institute for Independent Study earns 10/100 on the Resource Investment Index, with class sizes larger than 85% of California schools. It is also one of the smallest schools in California.
Byron Institute for Independent Study has class sizes larger than 85% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Byron Institute for Independent Study ranks #3 of 3 elementary schools in Discovery Bay, CA.
NCES ID 060675014447 Verify on NCES CCD record →
Enrollment
26
California · 2024-25 NCES data
Teachers (FTE)
1.0
Federal CCD staff survey
Students per teacher
26:1
vs 21.5:1 California avg
+21% vs state
Free-lunch eligible
42.9%
vs 55.5% California avg
-23% vs state
How Byron Institute for Independent Study compares with California and U.S. medians
Larger classes than state median
26:1 - 4.5 above the California state median of 21.5:1, indicating larger average class loads than typical schools in the state.
Byron Institute for Independent Study is a small elementary school in Discovery Bay, California, enrolling 26 students.
Class loads run somewhat heavier than typical: 26:1 puts it in the larger third of California schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 42.9% of students eligible for free meals.
This is a small campus: fewer students than 96% of California schools, with 26 enrolled.
Its Resource Investment Index trails 98% of the 9,998 California schools with a score on record, one of the lower results on this measure.
Among 67 similarly sized, similarly resourced-need California schools statewide, it ranks #66, in the lower tier once campus size and economic need are matched.
Its student body is led by Hispanic or Latino (39%) and White (27%), more mixed than most schools in the state (diversity index 74/100).
Chronic absenteeism is elevated: 61.5% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Among Discovery Bay's elementary schools, it stands alongside Discovery Bay Elementary (417 students): Byron Institute for Independent Study is smaller than that campus by headcount and runs heavier classes (26:1 vs 20.9:1).
Byron Union Elementary also operates Discovery Bay Elementary (417 students) and Excelsior Middle (377 students) alongside Byron Institute for Independent Study.
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
Byron Institute for Independent Study on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 26:1 | ▲ 21% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 42.9% | ▼ 23% | 55.5% | 51.7% |
| Enrollment | 26 | top 96% | - | - |
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 38.5% of enrollment.
Simpson diversity index - at 74.2, Byron Institute for Independent Study is more mixed than the California school average of 46.0.
District-wide per-pupil expenditure for Byron Union Elementary, which includes Byron Institute for Independent Study.
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 |
|---|---|---|---|
| Discovery Bay Elementary | Larger | Lower economic need | Lower S:T ratio |
| Excelsior Middle | Larger | Lower economic need | Lower S:T ratio |
| Timber Point Elementary | Larger | Lower economic need | Lower S:T ratio |
Comparisons are relative to Byron Institute for Independent Study's own figures; each column derives from NCES Common Core of Data.
2 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 Byron Institute for Independent Study'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.
Byron Institute for Independent Study has 26 students enrolled. It is an elementary school in Discovery Bay, CA.
The student-teacher ratio at Byron Institute for Independent Study is 26:1, which is 21% higher than the California average of 21.5:1 and 66% higher than the national average of 15.7:1.
42.9% of students at Byron Institute for Independent Study are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at Byron Institute for Independent Study is Hispanic or Latino at 38.5% of enrollment, in Discovery Bay, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 74.2/100.
Byron Institute for Independent Study has a Resource Investment Index of 10/100 (lower reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Byron Institute for Independent Study ranks #3 of 3 elementary schools in Discovery Bay, 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 Discovery Bay on the city page.
Byron Institute for Independent Study earns 10/100 on the Resource Investment Index, with class sizes larger than 85% of California schools. It is also one of the smallest schools in California. 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 Byron Institute for Independent Study, Byron Union Elementary also operates Discovery Bay Elementary (417 students), Excelsior Middle (377 students), and Timber Point Elementary (362 students). See the Byron Union Elementary 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, “Byron Institute for Independent Study, Discovery Bay 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/byron-institute-for-independent-study-ca/
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