Enrollment
413
California · 2024-25 NCES data
2024-25 NCES data Elementary school (grades K-5) NCES 062271008888
Arroyo Seco Museum Science — Los Angeles, CA
Federal NCES profile for Arroyo Seco Museum Science, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators — Resource Investment Index 32/100.
👥 Class size 18
🌟 Gifted program 70
🎓 Counselors 17
📋 Attendance 23
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: Los Angeles Unified · 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)
22.0
Federal CCD staff survey
Students per teacher
20.5:1
vs 21.6:1 California avg
-5% vs state
Free-lunch eligible
72.1%
vs 55.5% California avg
+30% vs state
Student-teacher ratio in context
How Arroyo Seco Museum Science 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
Arroyo Seco Museum Science reports 413 enrolled students to the National Center for Education Statistics (NCES) alongside 22.0 full-time-equivalent teachers, producing a 20.5:1 student-teacher ratio. That figure sits 5% below the California state mean of 21.6:1, signalling more teacher attention per pupil than the state benchmark. Against the national 2024-25 average of 15.9:1, it is 29% higher, a useful calibration for families comparing districts across state lines.
Title I and federal lunch eligibility offer another window into the student body: 72.1% of pupils qualify for free meals, a proxy for household income that federal programs use to direct funding. The free-lunch share is 30% above the California average and 39% above the national baseline. Counselor coverage works out to roughly 413 students per counselor, above the ASCA-recommended ceiling of 250:1. Chronic absenteeism — missing 10% or more of school days — stands at 31.0% according to the 2021-22 Civil Rights Data Collection.
On the finance side, the surrounding Los Angeles Unified spends $25,877 per pupil district-wide, above the California average of $18,039 and above the national average of $19,490. Revenue comes 26.3% from local sources (property taxes), 54.5% from the state, and 19.2% from federal programs per the NCES F-33 finance survey. Taken together, these measurements produce a Resource Investment Index of 32/100 (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 Arroyo Seco Museum Science 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 | 20.5:1 | ▼ 5% | 21.6:1 | 15.9:1 |
| Free-lunch eligible | 72.1% | ▲ 30% | 55.5% | 51.8% |
| Enrollment | 413 | top 42% | — | — |
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
72.1%
free-lunch eligible
— 30% 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
20.5:1
students per teacher
— 5% below state mean
Top 34% in California — lower ratio than 66% of state schools
Above 20:1 — larger class loads than the typical U.S. public school; staffing is stretched relative to enrollment.
Engagement
31.0%
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
$25,877
per pupil, district-wide
— above California avg of $18,039
Above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors1.0 FTE
Per 413 students — the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 4 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 1.0 per 100 students. Reported via the Civil Rights Data Collection.
Overview
Enrollment 413 Top 42% in California — larger than 58% of 10,006 state schools
Teachers (FTE) 22.0
Students per teacher 20.5:1 -5% vs state
Free-lunch eligible 72.1% +30% vs state
NCES ID 062271008888
Student demographics
Hispanic or Latino 87.2%
White 8.0%
Two or More 2.7%
Asian 1.5%
African American 0.7%
Largest group: Hispanic or Latino at 87.2% of enrollment.
Programs & staff
Gifted & talented Yes
Counselors (FTE) 1.0
Students per counselor 413:1
Discipline & special education
Chronically absent 31.0%
In-school suspensions 0
Out-of-school suspensions 4
Funding & spending
District-wide per-pupil expenditure for Los Angeles Unified, which includes Arroyo Seco Museum Science.
$25,877
Per student
+43%
vs California
Avg $18,039
+33%
vs U.S.
Avg $19,490
Revenue mix
Local 26.3%
State 54.5%
Federal 19.2%
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.
Other Schools in This District
- Enrollment
- 2,719
- Students per teacher
- 23.4:1
- Enrollment
- 2,444
- Students per teacher
- 20.9:1
- Enrollment
- 2,422
- Students per teacher
- 19.9:1
- Enrollment
- 2,398
- Students per teacher
- 21.9:1
- Enrollment
- 2,293
- Students per teacher
- 22.4:1
Similar elementary schools in Los Angeles
6 comparable elementary schools (grades K-5) serving the same city.
Wish Community
Standard public school
860 students 23:1 students per teacher
South Park Elementary
Standard public school
825 students 22.1:1 students per teacher
Union Avenue Elementary
Standard public school
809 students 21.7:1 students per teacher
One Hundred Seventh Street Elementary
Standard public school
804 students 22.6:1 students per teacher
Kipp Compton Community
Standard public school
783 students 36.7:1 students per teacher
Ninety-Third Street Elementary
Standard public school
772 students 19.7:1 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 Arroyo Seco Museum Science
How many students attend Arroyo Seco Museum Science?
Arroyo Seco Museum Science has 413 students enrolled. It is a elementary school in Los Angeles, CA.
What is the student-teacher ratio at Arroyo Seco Museum Science?
The student-teacher ratio at Arroyo Seco Museum Science is 20.5:1, which is 5% lower than the California average of 21.6:1 and 29% higher than the national average of 15.9:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Arroyo Seco Museum Science?
72.1% of students at Arroyo Seco Museum Science are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Arroyo Seco Museum Science?
The largest demographic group at Arroyo Seco Museum Science is Hispanic or Latino at 87.2%. The school serves a diverse student body in Los Angeles, CA.
What is the Resource Investment Index for Arroyo Seco Museum Science?
Arroyo Seco Museum Science has a Resource Investment Index of 32/100 (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.