Enrollment
540
California · 2024-25 NCES data
Elementary school (grades K-5) · Antioch, CA
Rocketship Delta Prep
Federal NCES profile for Rocketship Delta Prep, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 18/100.
2024-25 NCES dataElementary school (grades K-5)NCES 060228614366Charter school
👥 S:T ratio 0
🌟 Gifted program 30
🎓 Counselors 42
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Rocketship Delta Prep earns 18/100 on the Resource Investment Index, with class sizes larger than 97% of California schools.
- #9 of 17
- elementary schools in Antioch · Resource Index
- 18
- Resource Index · Lower
- 31.8:1
- large classes for California
- 66.1%
- free-lunch eligible
Rocketship Delta Prep has class sizes larger than 97% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Rocketship Delta Prep ranks #9 of 17 elementary schools in Antioch, CA.
School address
District: Rocketship Delta Prep District · California
NCES ID 060228614366 Verify on NCES CCD record →
Teachers (FTE)
17.0
Federal CCD staff survey
Students per teacher
31.8:1
vs 21.5:1 California avg
+48% vs state
Free-lunch eligible
66.1%
vs 55.5% California avg
+19% vs state
Student-teacher ratio in context
How Rocketship Delta Prep compares with California and U.S. medians
What stands out at Rocketship Delta Prep
Rocketship Delta Prep is a higher-need, mid-sized charter elementary school in Antioch, California, enrolling 540 students.
Class loads run heavy: 31.8:1 is larger than about 97% of California schools and 48% above the 21.5:1 state mean, so each teacher carries more students than is typical.
Its free-meal eligibility rate of 66.1% lands close to the California typical range, neither a high- nor low-need campus by this measure.
With 540 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.
Among 2,095 similarly sized, similarly resourced-need California schools statewide, it ranks #1,522, in the lower tier once campus size and economic need are matched.
Its student body is led by Hispanic or Latino (56%) and African American (35%) (diversity index 56/100).
Counselor coverage runs a bit thin, about 292 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Chronic absenteeism is elevated: 48.7% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district draws 16.9% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Among Antioch's elementary schools, it stands alongside Muir (John) Elementary (660 students): Rocketship Delta Prep is smaller than that campus by headcount and runs heavier classes (31.8:1 vs 22.8:1).
Rocketship Delta Prep District is a single-school charter district, so Rocketship Delta Prep operates independently rather than alongside district-mates.
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 Rocketship Delta Prep compares
Rocketship Delta Prep on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 31.8:1 | ▲ 48% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 66.1% | ▲ 19% | 55.5% | 51.7% |
| Enrollment | 540 | top 40% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
31.8:1
Leaner classes than 1% of US schools, heavier class loads than most.
540
Bigger than 66% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
66.1%
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
31.8:1
students per teacher
- 48% 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
48.7%
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
$16,246
per pupil, district-wide
- below California avg of $16,509
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors1.9 FTE
Per 292 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 56.1%
African American 34.8%
Two or More 3.3%
Asian 2.4%
White 1.7%
Native Hawaiian / Pacific Islander 1.5%
American Indian / Alaska Native 0.2%
Largest group: Hispanic or Latino at 56.1% of enrollment.
Student-body diversity index 56.2/100
Simpson diversity index - at 56.2, Rocketship Delta Prep is more mixed than the California school average of 46.0.
Programs
Funding & spending
District-wide per-pupil expenditure for Rocketship Delta Prep District, which includes Rocketship Delta Prep.
$16,246
Per student
-2%
vs California
Avg $16,509
-2%
vs U.S.
Avg $16,593
Revenue mix
Local 25.0%
State 58.1%
Federal 16.9%
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.
Similar elementary schools in Antioch
6 comparable elementary schools (grades K-5) serving the same city.
Muir (John) Elementary
Standard public school
660 students 22.8:1 students per teacher
Marsh Elementary
Standard public school
522 students 20.9:1 students per teacher
Lone Tree Elementary
Standard public school
518 students 20.7:1 students per teacher
Mission Elementary
Standard public school
512 students 21.3:1 students per teacher
Diablo Vista Elementary
Standard public school
496 students 21.6:1 students per teacher
Carmen Dragon Elementary
Standard public school
495 students 24.8:1 students per teacher
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 (~540 students)
Similar student-teacher ratio (~31.8:1)
Next steps
Verify locally before acting on Rocketship Delta Prep's federal record.
- Compare Rocketship Delta Prep against another school. Compare schools
- Rocketship Delta Prep District'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 Rocketship Delta Prep
How many students attend Rocketship Delta Prep?
Rocketship Delta Prep has 540 students enrolled. It is an elementary school in Antioch, CA.
What is the student-teacher ratio at Rocketship Delta Prep?
The student-teacher ratio at Rocketship Delta Prep is 31.8:1, which is 48% higher than the California average of 21.5:1 and 103% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Rocketship Delta Prep?
66.1% of students at Rocketship Delta Prep are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Rocketship Delta Prep?
The largest demographic group at Rocketship Delta Prep is Hispanic or Latino at 56.1% of enrollment, in Antioch, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 56.2/100.
What is the Resource Investment Index for Rocketship Delta Prep?
Rocketship Delta Prep has a Resource Investment Index of 18/100 (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).
How does Rocketship Delta Prep rank among elementary schools in Antioch?
By Resource Investment Index, Rocketship Delta Prep ranks #9 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.
Is Rocketship Delta Prep a good school?
Rocketship Delta Prep earns 18/100 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 Rocketship Delta Prep District?
None; Rocketship Delta Prep District is a single-school charter district, and Rocketship Delta Prep is its only campus.
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.