Enrollment
417
California · 2024-25 NCES data
Elementary school (grades K-5) · Discovery Bay, CA
Discovery Bay Elementary
Federal NCES profile for Discovery Bay Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 35/100.
2024-25 NCES dataElementary school (grades K-5)NCES 060675007653
👥 S:T ratio 16
🌟 Gifted program 70
🎓 Counselors 36
📋 Attendance 19
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Discovery Bay Elementary earns 35/100 on the Resource Investment Index, with class sizes near the California median. It is also more racially and ethnically mixed than most California schools.
- #1 of 3
- elementary schools in Discovery Bay · Resource Index
- 35
- Resource Index · Typical
- 20.9:1
- students per teacher
- 30.5%
- free-lunch eligible
Discovery Bay Elementary has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Discovery Bay Elementary ranks #1 of 3 elementary schools in Discovery Bay, CA.
School address
District: Byron Union Elementary · California
NCES ID 060675007653 Verify on NCES CCD record →
Teachers (FTE)
20.0
Federal CCD staff survey
Students per teacher
20.9:1
vs 21.5:1 California avg
-3% vs state
Free-lunch eligible
30.5%
vs 55.5% California avg
-45% vs state
Student-teacher ratio in context
How Discovery Bay Elementary compares with California and U.S. medians
What stands out at Discovery Bay Elementary
Discovery Bay Elementary is a mid-sized elementary school in Discovery Bay, California, enrolling 417 students.
At 20.9:1, 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.
Economic need runs somewhat below the state's typical profile, with 30.5% of students eligible for free meals.
With 417 students, its enrollment sits close to the California median campus size.
Its Resource Investment Index sits near the middle of the pack among 9,998 scored California schools.
Against 1,137 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #422.
Its student body is led by Hispanic or Latino (42%) and White (38%), more mixed than most schools in the state (diversity index 66/100).
Counselor coverage runs a bit thin, about 321 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Chronic absenteeism is elevated: 32.4% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The federal civil-rights collection also records 1 expulsion at this campus for 2021-22.
Among Discovery Bay's elementary schools, it stands alongside Timber Point Elementary (362 students): Discovery Bay Elementary is larger than that campus by headcount and runs leaner classes (20.9:1 vs 24.1:1).
Byron Union Elementary also operates Excelsior Middle (377 students) and Timber Point Elementary (362 students) alongside Discovery Bay 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
How Discovery Bay Elementary compares
Discovery Bay 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 | 20.9:1 | ▼ 3% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 30.5% | ▼ 45% | 55.5% | 51.7% |
| Enrollment | 417 | top 58% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
20.9:1
Leaner classes than 13% of US schools, heavier class loads than most.
417
Bigger than 50% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
30.5%
free-lunch eligible
- 45% below the California average of 55.5%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
20.9:1
students per teacher
- 3% below state mean
Top 42% in California - lower ratio than 58% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
32.4%
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
$14,595
per pupil, district-wide
- below California avg of $16,509
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors1.3 FTE
Per 321 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 1 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.2 per 100 students. Reported via the Civil Rights Data Collection. Includes 1 expulsion.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
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.
Student demographics
Hispanic or Latino 41.7%
White 38.4%
Two or More 10.6%
Asian 4.8%
African American 1.9%
American Indian / Alaska Native 1.4%
Native Hawaiian / Pacific Islander 1.2%
Largest group: Hispanic or Latino at 41.7% of enrollment.
Student-body diversity index 66.4/100
Simpson diversity index - at 66.4, Discovery Bay Elementary is more mixed than the California school average of 46.0.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Byron Union Elementary, which includes Discovery Bay Elementary.
$14,595
Per student
-12%
vs California
Avg $16,509
-12%
vs U.S.
Avg $16,593
Revenue mix
Local 38.1%
State 51.1%
Federal 10.8%
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.
How Discovery Bay Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Excelsior Middle | Similar size | Similar economic need | Lower S:T ratio |
| Timber Point Elementary | Similar size | Similar economic need | Higher S:T ratio |
| Byron Institute for Independent Study | Smaller | Higher economic need | Higher S:T ratio |
Comparisons are relative to Discovery Bay Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 377
- Students per teacher
- 17.1:1
- Resource Index
- 30/100
- Enrollment
- 362
- Students per teacher
- 24.1:1
- Resource Index
- 22/100
- Enrollment
- 26
- Students per teacher
- 26:1
- Resource Index
- 10/100
Similar elementary schools in Discovery Bay
2 comparable elementary schools (grades K-5) serving the same city.
Similar elementary schools statewide
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.
Similar enrollment (~417 students)
Similar student-teacher ratio (~20.9:1)
Next steps
Verify locally before acting on Discovery Bay Elementary's federal record.
- Compare Discovery Bay Elementary against another school. Compare schools
- Byron Union Elementary's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
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.
Frequently asked questions about Discovery Bay Elementary
How many students attend Discovery Bay Elementary?
Discovery Bay Elementary has 417 students enrolled. It is an elementary school in Discovery Bay, CA.
What is the student-teacher ratio at Discovery Bay Elementary?
The student-teacher ratio at Discovery Bay Elementary is 20.9:1, which is 3% lower than the California average of 21.5:1 and 33% higher than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Discovery Bay Elementary?
30.5% of students at Discovery Bay Elementary are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Discovery Bay Elementary?
The largest demographic group at Discovery Bay Elementary is Hispanic or Latino at 41.7% of enrollment, in Discovery Bay, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 66.4/100.
What is the Resource Investment Index for Discovery Bay Elementary?
Discovery Bay Elementary has a Resource Investment Index of 35/100 (typical 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).
How does Discovery Bay Elementary rank among elementary schools in Discovery Bay?
By Resource Investment Index, Discovery Bay Elementary ranks #1 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.
Is Discovery Bay Elementary a good school?
Discovery Bay Elementary earns 35/100 on the Resource Investment Index, with class sizes near the California median. 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.
What other schools are in Byron Union Elementary?
Besides Discovery Bay Elementary, Byron Union Elementary also operates Excelsior Middle (377 students), Timber Point Elementary (362 students), and Byron Institute for Independent Study (26 students). See the Byron Union Elementary district page for the complete list.
Related tools
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.