Enrollment
417
Oregon · 2024-25 NCES data
2024-25 NCES data Elementary school (grades K-5) NCES 410192001791 Charter school
Arco Iris Spanish Immersion School — Beaverton, OR
Federal NCES profile for Arco Iris Spanish Immersion School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators — Resource Investment Index 44/100.
👥 Class size 32
🌟 Gifted program 70
🎓 Counselors 17
📋 Attendance 57
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: Beaverton Sd 48j · Oregon
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)
23.0
Federal CCD staff survey
Students per teacher
17.1:1
vs 18.2:1 Oregon avg
-6% vs state
Free-lunch eligible
14.2%
vs 57.6% Oregon avg
-75% vs state
Student-teacher ratio in context
How Arco Iris Spanish Immersion School compares with Oregon 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
Arco Iris Spanish Immersion School reports 417 enrolled students to the National Center for Education Statistics (NCES) alongside 23.0 full-time-equivalent teachers, producing a 17.1:1 student-teacher ratio. That figure sits 6% below the Oregon state mean of 18.2:1, signalling more teacher attention per pupil than the state benchmark. Against the national 2024-25 average of 15.9:1, it is 8% higher, a useful calibration for families comparing districts across state lines.
Title I and federal lunch eligibility offer another window into the student body: 14.2% of pupils qualify for free meals, a proxy for household income that federal programs use to direct funding. The free-lunch share is 75% below the Oregon average and 73% below the national baseline. Counselor coverage works out to roughly 417 students per counselor, above the ASCA-recommended ceiling of 250:1. Chronic absenteeism — missing 10% or more of school days — stands at 17.0% according to the 2021-22 Civil Rights Data Collection.
On the finance side, the surrounding Beaverton Sd 48j spends $17,283 per pupil district-wide, below the Oregon average of $22,293 and below the national average of $19,490. Revenue comes 42.2% from local sources (property taxes), 49.0% from the state, and 8.8% from federal programs per the NCES F-33 finance survey. Taken together, these measurements produce a Resource Investment Index of 44/100 (D), 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 Arco Iris Spanish Immersion School compares
Cross-validating school-level NCES values against Oregon state and U.S. national means lets readers see whether this school is an outlier or in line with peers.
| Metric | This school | vs Oregon | Oregon avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 17.1:1 | ▼ 6% | 18.2:1 | 15.9:1 |
| Free-lunch eligible | 14.2% | ▼ 75% | 57.6% | 51.8% |
| Enrollment | 417 | top 65% | — | — |
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
14.2%
free-lunch eligible
— 75% below the Oregon average of 57.6%
Below the 40% Title I threshold — federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
17.1:1
students per teacher
— 6% below state mean
Top 45% in Oregon — lower ratio than 55% of state schools
Between 15:1 and 20:1 — in line with the typical U.S. public-school staffing range.
Engagement
17.0%
chronically absent (missed 10%+ of school days)
Between 10–20% — above the pre-pandemic baseline of ~15% nationally but within the current U.S. range.
Funding equity
$17,283
per pupil, district-wide
— below Oregon avg of $22,293
Below the U.S. average per-pupil spend — funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 417 students — the combined health-and-guidance staffing load for this school.
Discipline context
12
in-school suspensions + 4 out-of-school
Suspension rate: 2.9 per 100 students. Combined in-school and out-of-school rate: 3.8 per 100 students. Reported via the Civil Rights Data Collection.
Overview
Enrollment 417 Top 65% in Oregon — larger than 35% of 1,277 state schools
Teachers (FTE) 23.0
Students per teacher 17.1:1 -6% vs state
Free-lunch eligible 14.2% -75% vs state
NCES ID 410192001791
Student demographics
Hispanic or Latino 49.4%
White 34.3%
Two or More 10.8%
Asian 3.6%
African American 1.2%
American Indian / Alaska Native 0.7%
Largest group: Hispanic or Latino at 49.4% of enrollment.
Programs & staff
Gifted & talented Yes
Counselors (FTE) 1.0
Students per counselor 417:1
Discipline & special education
Chronically absent 17.0%
In-school suspensions 12
Out-of-school suspensions 4
Funding & spending
District-wide per-pupil expenditure for Beaverton Sd 48j, which includes Arco Iris Spanish Immersion School.
$17,283
Per student
-22%
vs Oregon
Avg $22,293
-11%
vs U.S.
Avg $19,490
Revenue mix
Local 42.2%
State 49.0%
Federal 8.8%
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
- 2,423
- Students per teacher
- 22.6:1
- Enrollment
- 1,812
- Students per teacher
- 23.1:1
- Enrollment
- 1,741
- Students per teacher
- 22.5:1
- Enrollment
- 1,658
- Students per teacher
- 17.7:1
- Enrollment
- 1,436
- Students per teacher
- 17:1
Similar elementary schools in Beaverton
6 comparable elementary schools (grades K-5) serving the same city.
Scholls Heights Elementary School
Standard public school
597 students 19.3:1 students per teacher
Hiteon Elementary School
Standard public school
486 students 18.8:1 students per teacher
Oak Hills Elementary School
Standard public school
484 students 18.4:1 students per teacher
Kinnaman Elementary School
Standard public school
471 students 13.2:1 students per teacher
Nancy Ryles Elementary School
Standard public school
447 students 19.5:1 students per teacher
Elmonica Elementary School
Standard public school
436 students 15.9:1 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 Arco Iris Spanish Immersion School
How many students attend Arco Iris Spanish Immersion School?
Arco Iris Spanish Immersion School has 417 students enrolled. It is a elementary school in Beaverton, OR.
What is the student-teacher ratio at Arco Iris Spanish Immersion School?
The student-teacher ratio at Arco Iris Spanish Immersion School is 17.1:1, which is 6% lower than the Oregon average of 18.2:1 and 8% 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 Arco Iris Spanish Immersion School?
14.2% of students at Arco Iris Spanish Immersion School are eligible for free lunch, compared to the Oregon average of 57.6%.
What is the racial and ethnic makeup of Arco Iris Spanish Immersion School?
The largest demographic group at Arco Iris Spanish Immersion School is Hispanic or Latino at 49.4%. The school serves a diverse student body in Beaverton, OR.
What is the Resource Investment Index for Arco Iris Spanish Immersion School?
Arco Iris Spanish Immersion School has a Resource Investment Index of 44/100 (D) 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.