Enrollment
528
California · 2024-25 NCES data
2024-25 NCES data Elementary school (grades K-5) NCES 060244412645 Charter school
Rocketship Mosaic Elementary — San Jose, CA
Federal NCES profile for Rocketship Mosaic Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators — Resource Investment Index 21/100.
👥 Class size 0
🌟 Gifted program 30
🎓 Counselors 43
📋 Attendance 13
How this works: Each indicator above is scored 0–100 from federal NCES and CRDC data, then averaged into the Resource Investment Index. This measures resource allocation — staffing, programs, and support services — not standardized test scores or academic outcomes. Full methodology →
School address
District: Rocketship Mosaic Elementary District · California
Public location data per NCES (National Center for Education Statistics) Common Core of Data. Verify the school's current address on the NCES CCD record.
Teachers (FTE)
16.0
Federal CCD staff survey
Students per teacher
35.3:1
vs 21.6:1 California avg
+63% vs state
Free-lunch eligible
57.2%
vs 55.5% California avg
+3% vs state
Student-teacher ratio in context
How Rocketship Mosaic Elementary compares with California and U.S. medians
The federal record — no proprietary index, no editorial formula.
PlainSchools publishes the actual federal measurements — enrollment, staffing, demographics, discipline, and finance — straight from the NCES Common Core of Data, CRDC, and F-33 surveys. No composite rating, no opinion-based score on top. You get the same raw numbers researchers and policymakers use, with benchmarks, spending context, and equity indicators computed from the same federal datasets. Full methodology linked below.
What this school's NCES data tells you
Rocketship Mosaic Elementary reports 528 enrolled students to the National Center for Education Statistics (NCES) alongside 16.0 full-time-equivalent teachers, producing a 35.3:1 student-teacher ratio. That figure sits 63% above the California state mean of 21.6:1, signalling larger average class loads than peers in the same state. Against the national 2024-25 average of 15.9:1, it is 122% higher, a useful calibration for families comparing districts across state lines.
Title I and federal lunch eligibility offer another window into the student body: 57.2% of pupils qualify for free meals, a proxy for household income that federal programs use to direct funding. The free-lunch share is 3% above the California average and 10% above the national baseline. Counselor coverage works out to roughly 285 students per counselor, above the ASCA-recommended ceiling of 250:1. Chronic absenteeism — missing 10% or more of school days — stands at 34.8% according to the 2021-22 Civil Rights Data Collection.
On the finance side, the surrounding Rocketship Mosaic Elementary District spends $17,315 per pupil district-wide, below the California average of $18,039 and below the national average of $19,490. Revenue comes 18.9% from local sources (property taxes), 66.5% from the state, and 14.6% from federal programs per the NCES F-33 finance survey. Taken together, these measurements produce a Resource Investment Index of 21/100 (F), calculated from 4 distinct NCES and CRDC indicators measuring resource allocation rather than academic outcomes.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Rocketship Mosaic Elementary compares
Cross-validating school-level NCES values against California state and U.S. national means lets readers see whether this school is an outlier or in line with peers.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 35.3:1 | ▲ 63% | 21.6:1 | 15.9:1 |
| Free-lunch eligible | 57.2% | ▲ 3% | 55.5% | 51.8% |
| Enrollment | 528 | top 59% | — | — |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
What the federal data reveals about equity at this school
Federal measurements — not ratings — surface the resource and opportunity picture. Below are the indicators that researchers, civil-rights monitors, and funding formulas use to assess equity.
Economic need
57.2%
free-lunch eligible
— 3% 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
35.3:1
students per teacher
— 63% above state mean
Top 99% in California — lower ratio than 1% of state schools
Above 20:1 — larger class loads than the typical U.S. public school; staffing is stretched relative to enrollment.
Engagement
34.8%
chronically absent (missed 10%+ of school days)
Chronic absenteeism at or above 20% — the CDC threshold for "high" — signals significant barriers to regular attendance.
Funding equity
$17,315
per pupil, district-wide
— below California avg of $18,039
Below the U.S. average per-pupil spend — funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors1.9 FTE
Per 285 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
Enrollment 528 Top 59% in California — larger than 41% of 10,006 state schools
Teachers (FTE) 16.0
Students per teacher 35.3:1 +63% vs state
Free-lunch eligible 57.2% +3% vs state
NCES ID 060244412645
Student demographics
Asian 51.7%
Hispanic or Latino 44.5%
White 1.7%
African American 0.9%
Two or More 0.8%
Native Hawaiian / Pacific Islander 0.4%
Largest group: Asian at 51.7% of enrollment.
Programs & staff
Counselors (FTE) 1.9
Students per counselor 285:1
Discipline & special education
Chronically absent 34.8%
In-school suspensions 0
Out-of-school suspensions 0
Funding & spending
District-wide per-pupil expenditure for Rocketship Mosaic Elementary District, which includes Rocketship Mosaic Elementary.
$17,315
Per student
-4%
vs California
Avg $18,039
-11%
vs U.S.
Avg $19,490
Revenue mix
Local 18.9%
State 66.5%
Federal 14.6%
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 San Jose
6 comparable elementary schools (grades K-5) serving the same city.
Easterbrook Discovery
Standard public school
952 students 22.2:1 students per teacher
Merritt Trace Elementary
Standard public school
829 students 23.1:1 students per teacher
Orchard Elementary
Standard public school
740 students 17:1 students per teacher
Tom Matsumoto Elementary
Standard public school
727 students 25.2:1 students per teacher
Herman (Leonard) Intermediate
Standard public school
723 students 22.8:1 students per teacher
Booksin Elementary
Standard public school
715 students 23.3:1 students per teacher
Educator & family resources
In-depth guides on understanding NCES data, school choice, and education funding.
Understanding NCES data
How CCD, CRDC and EDFacts feed every public-school number you see.
Choose a school district
Eight signals that matter more than the overall ranking number.
How schools are funded
Title I, F-33, state aid formulas and what per-pupil spending really means.
Chronic absenteeism
Why missing 10% of school matters and how it varies by district.
Magnet vs charter vs traditional
Three school types, three funding models, three sets of trade-offs.
School discipline data
What CRDC suspension and expulsion records do and don't reveal.
Frequently asked questions about Rocketship Mosaic Elementary
How many students attend Rocketship Mosaic Elementary?
Rocketship Mosaic Elementary has 528 students enrolled. It is a elementary school in San Jose, CA.
What is the student-teacher ratio at Rocketship Mosaic Elementary?
The student-teacher ratio at Rocketship Mosaic Elementary is 35.3:1, which is 63% higher than the California average of 21.6:1 and 122% higher than the national average of 15.9:1.
What percentage of students receive free lunch at Rocketship Mosaic Elementary?
57.2% of students at Rocketship Mosaic Elementary are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Rocketship Mosaic Elementary?
The largest demographic group at Rocketship Mosaic Elementary is Asian at 51.7%. The school serves a diverse student body in San Jose, CA.
What is the Resource Investment Index for Rocketship Mosaic Elementary?
Rocketship Mosaic Elementary has a Resource Investment Index of 21/100 (F) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. This index measures federal resource allocation — staffing levels, program availability, and support services — not standardized test scores or academic outcomes.