Enrollment
417
Oregon · 2024-25 NCES data
Elementary school (grades K-5) · Beaverton, OR
Arco Iris Spanish Immersion School
Federal NCES profile for Arco Iris Spanish Immersion School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 43/100.
2024-25 NCES dataElementary school (grades K-5)NCES 410192001791Charter school
👥 S:T ratio 28
🌟 Gifted program 70
🎓 Counselors 17
📋 Attendance 57
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Arco Iris Spanish Immersion School earns 43/100 on the Resource Investment Index, with class sizes near the Oregon median.
- #9 of 13
- elementary schools in Beaverton · Resource Index
- 43
- Resource Index · Typical
- 18.1:1
- students per teacher
- 14.2%
- free-lunch eligible
Arco Iris Spanish Immersion School has class sizes near the Oregon median. Computed live against every Oregon school reporting to NCES.
By Resource Investment Index, Arco Iris Spanish Immersion School ranks #9 of 13 elementary schools in Beaverton, OR.
School address
District: Beaverton Sd 48j · Oregon
NCES ID 410192001791 Verify on NCES CCD record →
Teachers (FTE)
23.0
Federal CCD staff survey
Students per teacher
18.1:1
vs 17.6:1 Oregon avg
+3% vs state
Free-lunch eligible
14.2%
vs 52.8% Oregon avg
-73% vs state
Student-teacher ratio in context
How Arco Iris Spanish Immersion School compares with Oregon and U.S. medians
What stands out at Arco Iris Spanish Immersion School
Arco Iris Spanish Immersion School is a lower-poverty, mid-sized charter elementary school in Beaverton, Oregon, enrolling 417 students.
Class loads run somewhat heavier than typical: 18.1:1 puts it in the larger third of Oregon schools by student-teacher ratio.
Comparatively few students face economic hardship here, 14.2% free-meal eligibility runs 73% below the Oregon average.
Enrollment of 417 puts it in the larger third of Oregon schools by headcount.
Its Resource Investment Index lands in the upper third of 1,273 scored Oregon schools.
Against 140 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #56.
Its student body is led by Hispanic or Latino (49%) and White (34%) (diversity index 63/100).
Counselor access is stretched at roughly 417 students per counselor, well above the ASCA-recommended 250:1 ceiling.
17.0% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
Among Beaverton's elementary schools, it stands alongside Scholls Heights Elementary School (597 students): Arco Iris Spanish Immersion School is smaller than that campus by headcount and runs leaner classes (18.1:1 vs 18.1:1).
Beaverton Sd 48j also operates Westview High School (2,423 students) and Sunset High School (1,812 students) alongside Arco Iris Spanish Immersion School.
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 Arco Iris Spanish Immersion School compares
Arco Iris Spanish Immersion School on the metrics families compare, against Oregon and U.S. means.
| Metric | This school | vs Oregon | Oregon avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 18.1:1 | ▲ 3% | 17.6:1 | 15.7:1 |
| Free-lunch eligible | 14.2% | ▼ 73% | 52.8% | 51.7% |
| Enrollment | 417 | top 35% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
18.1:1
Leaner classes than 24% of US schools, heavier class loads than most.
417
Bigger than 50% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
14.2%
free-lunch eligible
- 73% below the Oregon average of 52.8%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
18.1:1
students per teacher
- 3% above state mean
Top 61% in Oregon - lower ratio than 39% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
17.0%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$15,015
per pupil, district-wide
- below Oregon avg of $18,086
Somewhat 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
- 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 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.
Student-body diversity index 62.5/100
Simpson diversity index - at 62.5, Arco Iris Spanish Immersion School is more mixed than the Oregon school average of 47.1.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Beaverton Sd 48j, which includes Arco Iris Spanish Immersion School.
$15,015
Per student
-17%
vs Oregon
Avg $18,086
-10%
vs U.S.
Avg $16,593
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.
How Arco Iris Spanish Immersion School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Westview High School | Larger | Higher economic need | Higher S:T ratio |
| Sunset High School | Larger | Similar economic need | Higher S:T ratio |
| Mountainside High School | Larger | Similar economic need | Higher S:T ratio |
| Aloha High School | Larger | Higher economic need | Similar S:T ratio |
| Beaverton High School | Larger | Higher economic need | Lower S:T ratio |
Comparisons are relative to Arco Iris Spanish Immersion School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,423
- Students per teacher
- 22.4:1
- Resource Index
- 28/100
- Enrollment
- 1,812
- Students per teacher
- 21.3:1
- Resource Index
- 37/100
- Enrollment
- 1,741
- Students per teacher
- 22.3:1
- Resource Index
- 34/100
- Enrollment
- 1,658
- Students per teacher
- 17.5:1
- Resource Index
- 54/100
- Enrollment
- 1,436
- Students per teacher
- 16.5:1
- Resource Index
- 42/100
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 18.1:1 students per teacher
Hiteon Elementary School
Standard public school
486 students 18.7:1 students per teacher
Oak Hills Elementary School
Standard public school
484 students 17.9:1 students per teacher
Kinnaman Elementary School
Standard public school
471 students 12.7:1 students per teacher
Nancy Ryles Elementary School
Standard public school
447 students 17.2:1 students per teacher
Elmonica Elementary School
Standard public school
436 students 16.8:1 students per teacher
Similar elementary schools statewide
Matched by enrollment size and by staffing ratio across all of Oregon, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~417 students)
Next steps
Verify locally before acting on Arco Iris Spanish Immersion School's federal record.
- Compare Arco Iris Spanish Immersion School against another school. Compare schools
- Beaverton Sd 48j'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 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 an 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 18.1:1, which is 3% higher than the Oregon average of 17.6:1 and 15% higher than the national average of 15.7:1.
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 52.8%.
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% of enrollment, in Beaverton, OR. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 62.5/100.
What is the Resource Investment Index for Arco Iris Spanish Immersion School?
Arco Iris Spanish Immersion School has a Resource Investment Index of 43/100 (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 Arco Iris Spanish Immersion School rank among elementary schools in Beaverton?
By Resource Investment Index, Arco Iris Spanish Immersion School ranks #9 of 13 elementary schools in Beaverton, OR. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Beaverton on the city page.
Is Arco Iris Spanish Immersion School a good school?
Arco Iris Spanish Immersion School earns 43/100 on the Resource Investment Index, with class sizes near the Oregon median. 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 Beaverton Sd 48j?
Besides Arco Iris Spanish Immersion School, Beaverton Sd 48j also operates Westview High School (2,423 students), Sunset High School (1,812 students), and Mountainside High School (1,741 students). See the Beaverton Sd 48j 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.