Enrollment
125
California · 2024-25 NCES data
Other / mixed grade configuration · Tracy, CA
Delta Keys Charter
Federal NCES profile for Delta Keys Charter, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 33/100.
2024-25 NCES dataOther / mixed grade configurationNCES 062703014175Charter school
👥 S:T ratio 0
🌟 Gifted program 30
🎓 Counselors 75
📋 Attendance 28
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Delta Keys Charter earns 33/100 on the Resource Investment Index, with class sizes larger than 97% of California schools.
- #4 of 7
- schools in Tracy · Resource Index
- 33
- Resource Index · Typical
- 31.3:1
- large classes for California
- 65.9%
- free-lunch eligible
Delta Keys Charter has class sizes larger than 97% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Delta Keys Charter ranks #4 of 7 schools in Tracy, CA.
School address
District: New Jerusalem Elementary · California
NCES ID 062703014175 Verify on NCES CCD record →
Teachers (FTE)
4.0
Federal CCD staff survey
Students per teacher
31.3:1
vs 21.5:1 California avg
+46% vs state
Free-lunch eligible
65.9%
vs 55.5% California avg
+19% vs state
Student-teacher ratio in context
How Delta Keys Charter compares with California and U.S. medians
What stands out at Delta Keys Charter
Delta Keys Charter is a higher-need, small charter combined-grade school in Tracy, California, enrolling 125 students.
Class loads run heavy: 31.3:1 is larger than about 97% of California schools and 46% above the 21.5:1 state mean, so each teacher carries more students than is typical.
Its free-meal eligibility rate of 65.9% lands close to the California typical range, neither a high- nor low-need campus by this measure.
Enrollment of 125 puts it in the smaller third of California schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 9,998 scored California schools.
Against 345 statewide peers matched on enrollment and economic need, it ranks mid-pack at #206.
Its student body is led by Hispanic or Latino (64%) and White (14%) (diversity index 56/100).
Counselor coverage is strong, about 125 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 28.8% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding New Jerusalem Elementary spends $12,454 per pupil, 25% below the California average, a leaner-resourced district than most.
Among Tracy's public schools, it stands alongside Delta Charter (772 students): Delta Keys Charter is smaller than that campus by headcount and runs heavier classes (31.3:1 vs 16.1:1).
New Jerusalem Elementary also operates Delta Charter (772 students) and Delta Charter Online (282 students) alongside Delta Keys Charter.
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 Delta Keys Charter compares
Delta Keys Charter on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 31.3:1 | ▲ 46% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 65.9% | ▲ 19% | 55.5% | 51.7% |
| Enrollment | 125 | top 88% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
31.3:1
Leaner classes than 1% of US schools, heavier class loads than most.
125
Bigger than 12% of US schools by enrollment, a small campus.
Equity indicators (what these measure)
Economic need
65.9%
free-lunch eligible
- 19% above the California average of 55.5%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
31.3:1
students per teacher
- 46% above state mean
Top 97% in California - lower ratio than 3% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Engagement
28.8%
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
$12,454
per pupil, district-wide
- below California avg of $16,509
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 125 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 per 100 students. Reported via the Civil Rights Data Collection.
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 64.0%
White 13.6%
Two or More 8.0%
African American 7.2%
Asian 7.2%
Largest group: Hispanic or Latino at 64.0% of enrollment.
Student-body diversity index 55.5/100
Simpson diversity index - at 55.5, Delta Keys Charter is more mixed than the California school average of 46.0.
Programs
Funding & spending
District-wide per-pupil expenditure for New Jerusalem Elementary, which includes Delta Keys Charter.
$12,454
Per student
-25%
vs California
Avg $16,509
-25%
vs U.S.
Avg $16,593
Revenue mix
Local 16.4%
State 79.4%
Federal 4.2%
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 Delta Keys Charter Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Delta Charter | Larger | Lower economic need | Lower S:T ratio |
| Delta Charter Online | Larger | Lower economic need | Higher S:T ratio |
| Delta Home Charter | Larger | Lower economic need | Lower S:T ratio |
| New Jerusalem | Larger | Lower economic need | Lower S:T ratio |
| New Jerusalem Elementary | Smaller | Lower economic need | Lower S:T ratio |
Comparisons are relative to Delta Keys Charter's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 772
- Students per teacher
- 16.1:1
- Resource Index
- 22/100
- Enrollment
- 282
- Students per teacher
- 35.3:1
- Resource Index
- 41/100
- Enrollment
- 265
- Students per teacher
- 22.1:1
- Resource Index
- 53/100
- Enrollment
- 217
- Students per teacher
- 27.1:1
- Resource Index
- 39/100
- Enrollment
- 19
- Students per teacher
- 19:1
- Resource Index
- 38/100
Similar other schools in Tracy
6 comparable other schools (grades Mixed) serving the same city.
Delta Charter
Standard public school
772 students 16.1:1 students per teacher
Valley View Charter Prep
Standard public school
655 students 29.8:1 students per teacher
Tracy Independent Study Charter
Standard public school
359 students 18.9:1 students per teacher
Delta Charter Online
Standard public school
282 students 35.3:1 students per teacher
Delta Home Charter
Standard public school
265 students 22.1:1 students per teacher
Duncan-Russell Community Day
Alternative education program
22 students 11:1 students per teacher
Similar other 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 (~125 students)
Next steps
Verify locally before acting on Delta Keys Charter's federal record.
- Compare Delta Keys Charter against another school. Compare schools
- New Jerusalem 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 Delta Keys Charter
How many students attend Delta Keys Charter?
Delta Keys Charter has 125 students enrolled. It is a public school in Tracy, CA.
What is the student-teacher ratio at Delta Keys Charter?
The student-teacher ratio at Delta Keys Charter is 31.3:1, which is 46% higher than the California average of 21.5:1 and 99% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Delta Keys Charter?
65.9% of students at Delta Keys Charter are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Delta Keys Charter?
The largest demographic group at Delta Keys Charter is Hispanic or Latino at 64.0% of enrollment, in Tracy, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 55.5/100.
What is the Resource Investment Index for Delta Keys Charter?
Delta Keys Charter has a Resource Investment Index of 33/100 (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 Delta Keys Charter rank among schools in Tracy?
By Resource Investment Index, Delta Keys Charter ranks #4 of 7 schools in Tracy, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Tracy on the city page.
Is Delta Keys Charter a good school?
Delta Keys Charter earns 33/100 on the Resource Investment Index, with class sizes larger than 97% of 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 New Jerusalem Elementary?
Besides Delta Keys Charter, New Jerusalem Elementary also operates Delta Charter (772 students), Delta Charter Online (282 students), and Delta Home Charter (265 students). See the New Jerusalem 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.