Enrollment
413
California · 2024-25 NCES data
Elementary school (grades K-5) · Los Angeles, CA
Arroyo Seco Museum Science
Federal NCES profile for Arroyo Seco Museum Science, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 34/100.
2024-25 NCES dataElementary school (grades K-5)NCES 062271008888
👥 S:T ratio 25
🌟 Gifted program 70
🎓 Counselors 17
📋 Attendance 23
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Arroyo Seco Museum Science earns 34/100 on the Resource Investment Index, with class sizes smaller than 74% of California schools.
- #111 of 344
- elementary schools in Los Angeles · Resource Index
- 34
- Resource Index · Typical
- 18.8:1
- small classes for California
- 72.1%
- free-lunch eligible
Arroyo Seco Museum Science has class sizes smaller than 74% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Arroyo Seco Museum Science ranks #111 of 344 elementary schools in Los Angeles, CA.
School address
District: Los Angeles Unified · California
NCES ID 062271008888 Verify on NCES CCD record →
Teachers (FTE)
22.0
Federal CCD staff survey
Students per teacher
18.8:1
vs 21.5:1 California avg
-13% 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
What stands out at Arroyo Seco Museum Science
Arroyo Seco Museum Science is a higher-need, mid-sized elementary school in Los Angeles, California, enrolling 413 students.
Class sizes run a bit leaner than typical: 18.8:1 puts it in the smaller third of California schools by student-teacher ratio.
Economic need runs somewhat above the state's typical profile, with 72.1% of students eligible for free meals.
With 413 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 1,935 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #395.
Its student body is predominantly Hispanic or Latino (87% of enrollment) (diversity index 23/100).
Counselor access is stretched at roughly 413 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 31.0% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Los Angeles Unified spends $21,940 per pupil, 33% above the California average, a better-resourced district than most.
Its district draws 19.2% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Among Los Angeles's elementary schools, it stands alongside Wish Community (860 students): Arroyo Seco Museum Science is smaller than that campus by headcount and runs leaner classes (18.8:1 vs 23.2:1).
Los Angeles Unified also operates Grover Cleveland Charter High (2,719 students) and North Hollywood Senior High (2,444 students) alongside Arroyo Seco Museum Science.
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 Arroyo Seco Museum Science compares
Arroyo Seco Museum Science on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 18.8:1 | ▼ 13% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 72.1% | ▲ 30% | 55.5% | 51.7% |
| Enrollment | 413 | top 58% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
18.8:1
Leaner classes than 21% of US schools, heavier class loads than most.
413
Bigger than 49% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
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
18.8:1
students per teacher
- 13% below state mean
Top 26% in California - lower ratio than 74% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
31.0%
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
$21,940
per pupil, district-wide
- above California avg of $16,509
Well above the U.S. public-school average, reflecting substantially 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
- 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 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.
Student-body diversity index 23.2/100
Simpson diversity index - at 23.2, Arroyo Seco Museum Science is less mixed than the California school average of 46.0.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Los Angeles Unified, which includes Arroyo Seco Museum Science.
$21,940
Per student
+33%
vs California
Avg $16,509
+32%
vs U.S.
Avg $16,593
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.
How Arroyo Seco Museum Science Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Grover Cleveland Charter High | Larger | Similar economic need | Higher S:T ratio |
| North Hollywood Senior High | Larger | Similar economic need | Higher S:T ratio |
| Phineas Banning Senior High | Larger | Higher economic need | Similar S:T ratio |
| San Pedro Senior High | Larger | Lower economic need | Higher S:T ratio |
| Venice Senior High | Larger | Similar economic need | Higher S:T ratio |
Comparisons are relative to Arroyo Seco Museum Science's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,719
- Students per teacher
- 22.8:1
- Resource Index
- 38/100
- Enrollment
- 2,444
- Students per teacher
- 20.5:1
- Resource Index
- 38/100
- Enrollment
- 2,422
- Students per teacher
- 19.4:1
- Resource Index
- 44/100
- Enrollment
- 2,398
- Students per teacher
- 20.3:1
- Resource Index
- 31/100
- Enrollment
- 2,293
- Students per teacher
- 24.4:1
- Resource Index
- 37/100
Similar elementary schools in Los Angeles
6 comparable elementary schools (grades K-5) serving the same city.
Wish Community
Standard public school
860 students 23.2:1 students per teacher
South Park Elementary
Standard public school
825 students 20.6:1 students per teacher
Union Avenue Elementary
Standard public school
809 students 20.7:1 students per teacher
One Hundred Seventh Street Elementary
Standard public school
804 students 21.2:1 students per teacher
Kipp Compton Community
Standard public school
783 students 52.2:1 students per teacher
Ninety-Third Street Elementary
Standard public school
772 students 18.4:1 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 (~413 students)
Next steps
Verify locally before acting on Arroyo Seco Museum Science's federal record.
- Compare Arroyo Seco Museum Science against another school. Compare schools
- Los Angeles Unified'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 Arroyo Seco Museum Science
How many students attend Arroyo Seco Museum Science?
Arroyo Seco Museum Science has 413 students enrolled. It is an 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 18.8:1, which is 13% lower than the California average of 21.5:1 and 20% 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 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% of enrollment, 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 34/100 (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 Arroyo Seco Museum Science rank among elementary schools in Los Angeles?
By Resource Investment Index, Arroyo Seco Museum Science ranks #111 of 344 elementary schools in Los Angeles, 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 Los Angeles on the city page.
Is Arroyo Seco Museum Science a good school?
Arroyo Seco Museum Science earns 34/100 on the Resource Investment Index, with class sizes smaller than 74% 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 Los Angeles Unified?
Besides Arroyo Seco Museum Science, Los Angeles Unified also operates Grover Cleveland Charter High (2,719 students), North Hollywood Senior High (2,444 students), and Phineas Banning Senior High (2,422 students). See the Los Angeles Unified 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.