- Enrollment
- 2,149
- Students per teacher
- 21.3:1
- Resource Index
- 32/100
Elementary school (grades K-5) · Portland, OR
Portland Arthur Academy Charter School
Federal NCES profile for Portland Arthur Academy Charter School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 62/100.
2024-25 NCES dataElementary school (grades K-5)NCES 411004001667Charter school
👥 S:T ratio 34
🌟 Gifted program 70
📋 Attendance 83
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Portland Arthur Academy Charter School earns 62/100 on the Resource Investment Index, with class sizes near the Oregon median. It is also more racially and ethnically mixed than most Oregon schools.
- #1 of 87
- elementary schools in Portland · Resource Index
- 62
- Resource Index · Higher
- 16.5:1
- students per teacher
- 28.0%
- free-lunch eligible
Portland Arthur Academy Charter School has class sizes near the Oregon median. Computed live against every Oregon school reporting to NCES.
By Resource Investment Index, Portland Arthur Academy Charter School ranks #1 of 87 elementary schools in Portland, OR.
School address
District: Portland Sd 1j · Oregon
NCES ID 411004001667 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+14 students YoY
Portland Arthur Academy Charter School grew from 150 students in 2022-23 to 164 in 2023-24 (+9.3%).
Teacher FTE added 10.3 → 10.7 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Growing CCD campus
+14 students YoY 411004001667 · Portland, OR Elementary · SMALL · CHARTER
165 enr · 16.5:1 · 28.0% lunch · RII 62
Nearest enrollment peer: Grant High School (2,149 students)
Portland Arthur Academy Charter School grew from 150 students in 2022-23 to 164 in 2023-24 (+9.3%). Teacher FTE added 10.3 → 10.7 across the same CCD years. Read with this school → · District book → · Oregon schools → · Find another →
Portland Arthur Academy Charter School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Grant High Sch
Grant High School
2,149 students
- Franklin High
Franklin High School
1,807 students
- Leodis V. Mcda
Leodis V. Mcdaniel High School
1,681 students
- Ida B. Wells-B
Ida B. Wells-Barnett High School
1,650 students
- Lincoln High S
Lincoln High School
1,611 students
- This school 165
Portland Arthur Academy Charter School
165 students
What this shows Portland Arthur Academy Charter School reports 165 students on the CCD universe file.
How Portland Arthur Academy Charter School compares
Portland Arthur Academy Charter School is a growing campus on CCD: ratios and free-lunch share vs Oregon and U.S. means.
| Metric | This school | vs Oregon | Oregon avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 16.5:1 | ▼ 6% | 17.6:1 | 15.7:1 |
| Free-lunch eligible | 28.0% | ▼ 47% | 52.8% | 51.7% |
| Enrollment | 165 | top 82% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
16.5:1
Leaner classes than 34% of US schools, a middle-of-the-pack class size.
165
Bigger than 16% of US schools by enrollment, a small campus.
Equity indicators methodology
Economic need
28.0%
free-lunch eligible
- 47% below the Oregon average of 52.8%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
16.5:1
students per teacher
- 6% below state mean
Top 43% in Oregon - lower ratio than 57% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
6.7%
chronically absent (missed 10%+ of school days)
In the 5-10% range, close to the pre-pandemic national baseline.
Funding equity
$20,014
per pupil, district-wide
- below Oregon avg of $21,075
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 3 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 1.8 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 43.6%
Asian 26.1%
African American 12.1%
Hispanic or Latino 10.3%
Two or More 7.3%
American Indian / Alaska Native 0.6%
Largest group: White at 43.6% of enrollment.
Student-body diversity index 71.1/100
Simpson diversity index - at 71.1, Portland Arthur Academy Charter School is more mixed than the Oregon school average of 47.1.
Programs
Gifted & talented Yes
District finance for Portland Sd 1j reports $20,014 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Portland Arthur Academy Charter School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Grant High School | Larger | Lower economic need | Higher S:T ratio |
| Franklin High School | Larger | Similar economic need | Similar S:T ratio |
| Leodis V. Mcdaniel High School | Larger | Higher economic need | Higher S:T ratio |
| Ida B. Wells-Barnett High School | Larger | Lower economic need | Higher S:T ratio |
| Lincoln High School | Larger | Lower economic need | Higher S:T ratio |
Comparisons are relative to Portland Arthur Academy Charter School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,807
- Students per teacher
- 17.2:1
- Resource Index
- 37/100
- Enrollment
- 1,681
- Students per teacher
- 18.5:1
- Resource Index
- 34/100
- Enrollment
- 1,650
- Students per teacher
- 21.7:1
- Resource Index
- 32/100
- Enrollment
- 1,611
- Students per teacher
- 21.5:1
- Resource Index
- 37/100
Similar elementary schools in Portland
6 comparable elementary schools (grades K-5) serving the same city.
Sato Elementary School
Standard public school
863 students 22.1:1 students per teacher
Springville K-8 School
Standard public school
742 students 19:1 students per teacher
Laurelhurst Elementary School
Standard public school
660 students 22:1 students per teacher
Jacob Wismer Elementary School
Standard public school
592 students 20.4:1 students per teacher
Ainsworth Elementary School
Standard public school
587 students 21:1 students per teacher
Findley Elementary
Standard public school
549 students 22:1 students per teacher
Nationwide elementary schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~165 students)
Frequently asked questions about Portland Arthur Academy Charter School
How many students attend Portland Arthur Academy Charter School?
Portland Arthur Academy Charter School has 165 students enrolled. It is an elementary school in Portland, OR. CCD year-over-year: 150 (2022-23) → 164 (2023-24), up 14.
What is the student-teacher ratio at Portland Arthur Academy Charter School?
The student-teacher ratio at Portland Arthur Academy Charter School is 16.5:1, which is 6% lower than the Oregon average of 17.6:1 and 5% 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 Portland Arthur Academy Charter School?
28.0% of students at Portland Arthur Academy Charter School are eligible for free lunch, compared to the Oregon average of 52.8%.
What is the racial and ethnic makeup of Portland Arthur Academy Charter School?
The largest demographic group at Portland Arthur Academy Charter School is White at 43.6% of enrollment, in Portland, OR. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 71.1/100.
What is the Resource Investment Index for Portland Arthur Academy Charter School?
Portland Arthur Academy Charter School has a Resource Investment Index of 62/100 (higher reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, gifted-program reporting, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Portland Arthur Academy Charter School rank among elementary schools in Portland?
By Resource Investment Index, Portland Arthur Academy Charter School ranks #1 of 87 elementary schools in Portland, 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 Portland on the city page.
What other schools are in Portland Sd 1j?
Besides Portland Arthur Academy Charter School, Portland Sd 1j also operates Grant High School (2,149 students), Franklin High School (1,807 students), and Leodis V. Mcdaniel High School (1,681 students). See the Portland Sd 1j district page for the complete list.