Enrollment
165
Elementary
DISTRICT 349 · STATE 321
SCHOOL COMMUNITY·PORTLAND SD 1J·NCES 411004001667
Portland Arthur Academy Charter School
7507 SE Yamhill St, Portland, OR 97215 · (503) 257-3936 · Multnomah County
GRADES KG–05ELEMENTARY11-CITYCHARTERTITLE IREGULAR SCHOOL165 STUDENTS
A-
allk12 Grade
Scored higher than 80% of Oregon public elementary schools
- ATest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- B+Beats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- ·Three-year trend Not available for this school, so the grade uses the other parts.
Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Oregon public elementary schools
Student : Teacher
13.8:1
12 FTE teachers
DISTRICT 16.1:1 · STATE 16.5:1
Free / Reduced Lunch
42%
69 students
DISTRICT 59% · STATE 76%
Community
0
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Kindergarten | 30 | 18% |
| Grade 1 | 30 | 18% |
| Grade 2 | 31 | 19% |
| Grade 3 | 27 | 16% |
| Grade 4 | 24 | 15% |
| Grade 5 | 23 | 14% |
This year's kindergarten class (30) is 30% larger than its 5th grade class (23).
Student demographics
71%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 65% · STATE 59% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
QUIET COMMUNITY
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START A DISCUSSIONTest scores
OSAS 2024-25 . % ProficientEnglish Language Arts
69.4%
OR avg 43.0% . -0.3pp since 2023
Math
54.2%
OR avg 31.8% . +4.2pp since 2023
What this means: On the OSAS, Oregon's statewide test, about 69 of every 100 students at this school read and write at grade level and about 54 of 100 do math at grade level. Across all Oregon schools, those numbers are about 43 and 32. Reading and writing scores have held steady since 2023, while math scores are up about 4 points.
OSAS results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 69.4% | 54.2% |
| 2023-24 | 69.7% | 50.0% |
% Proficient, all students and all tested grades.
Source: OSAS. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
55.8%
composite math + reading, all grades
Predicted
46.3%
based on OR schools with similar FRL share
Beats by
+9.5pp
above demographic expectation
What this means: About 56% of students here test proficient in math and reading, compared with the roughly 46% typical for Oregon schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Oregon's top nor bottom 10%.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
Schools most like Portland Arthur Academy Charter School
Portland Arthur Academy Charter School's state test result (55.8% proficient) is higher than 2 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Portland Arthur Academy Charter School this school | 165 | 41.8% | 55.8% |
| Art Rutkin Elementary School Tigard | 131 | 58.0% | 68.3% |
| Vestal Elementary School Portland | 257 | 45.1% | 30.5% |
| Forest Park Elementary School Portland | 302 | 42.4% | 75.3% |
| Rose City Park Portland | 448 | 42.0% | 52.1% |
| Cedar Mill Elementary School Portland | 350 | 50.6% | 67.6% |
Matched among Oregon elementary schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where Portland Arthur Academy Charter School ranks
Among elementary schools| Measure | This school | In Oregon | In Multnomah County |
|---|---|---|---|
| State test proficiency ranked highest first | 55.8% | #86 of 591 | #25 of 78 |
| Math proficiency ranked highest first | 54.2% | #105 of 646 ▲ 35 | #30 of 109 ▲ 5 |
| Reading proficiency ranked highest first | 69.4% | #59 of 646 ▼ 3 | #19 of 109 ▼ 1 |
| Enrollment ranked largest first | 165 | #615 of 710 | #107 of 110 |
| Free and reduced lunch ranked highest share first | 41.8% | #603 of 645 | #80 of 103 |
Ranked against other public elementary schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
165
-12 (-7%) vs 2020
+20% since 2010-11, when it was 138
Student : Teacher
13.8:1
was 19.7:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 165 | 12 | 13.8:1 | 42% (69) |
| 2023-24 | 164 | 10.7 | 15.3:1 | 30% (50) |
| 2022-23 | 150 | 10.3 | 14.5:1 | 28% (42) |
| 2020-21 | 177 | 9 | 19.7:1 | N/A |
| 2017-18 | 175 | 6.4 | 27.3:1 | 35% (62) |
| 2015-16 | 166 | 8 | 20.8:1 | 34% (56) |
| 2010-11 | 138 | 6 | 23.0:1 | 42% (58) |
Source: NCES Common Core of Data. Rows are the federal collections on file for Portland Arthur Academy Charter School.
Since 2017-18: students down 6% (175 to 165); teachers up 87% (6.4 to 12).
About Portland Arthur Academy Charter School
A small elementary school in Portland, Oregon, Portland Arthur Academy Charter School is part of Portland SD 1J. It had 165 students in 2024-25, spanning kindergarten through 5. Elementary schools in Oregon have about 321 students on average; enrollment here is 49% lower.
Portland Arthur Academy Charter School is part of Portland SD 1J, where 86 schools serve 41,894 students.
No group is above 50% at Portland Arthur Academy Charter School; the largest is White, at 44%. It is also 26% Asian, 12% Black, 10% Hispanic, and 7% multiracial. The White share of the county population is higher, at 68%. On the diversity index, which measures the chance that two random students are from different groups, Portland Arthur Academy Charter School scores 71%.
The school has 12 full-time-equivalent teachers and a ratio of 13.8 students per teacher. The average for elementary schools in Oregon is 16.5:1, so this school has fewer students per teacher. The school reported 42% of students eligible for free or reduced-price lunch in 2024-25. For comparison, public schools in Multnomah County average 75%.
Among Oregon public elementary schools, Portland Arthur Academy Charter School outscored 80%, which works out to an A- on the allk12 Grade.
After adjusting for student poverty, Portland Arthur Academy Charter School lands between the top and bottom 10% of Oregon schools. Its average proficiency rate across its state test results is 55.8%; the prediction is 46.3%.
Looking at the county, Multnomah County, the median household earns about $88,766 a year, the share of adults with a bachelor's degree or higher is 49%, and roughly 7% of residents are in poverty. Multnomah County has 169 public schools with about 81,096 students, including Portland Arthur Academy Charter School.
Bridger Creative Science School is about 0.5 miles away, making it the nearest public school. There are at least 8 more public schools inside five miles. Portland Arthur Academy Charter School's average proficiency of 55.8% compares with 46.1% for its nearest scored neighbors.
In the federal locale system, Portland Arthur Academy Charter School is coded City: Large, for schools inside a principal city with a population of 250,000 or more. Portland Arthur Academy Charter School is one of the charter schools in Oregon.
The school shrank from 177 students in 2020-21 to 165 in 2024-25. Staffing shifted too: the ratio moved from 19.7:1 to 13.8:1.
Use the discussion section to ask about special education services, counseling, and support programs at Portland Arthur Academy Charter School. You can also rate the school on this page.
Multnomah County at a glance
View full county profilePopulation
801,477
Census ACS
Median income
$88,766
Household, ACS
Bachelor's+
49%
Adults 25+
Poverty rate
7%
Below federal line
Schools in county
169
81,096 students
Quick facts
Related schools
Other schools in Portland SD 1J
- Grant High SchoolHigh · 2,149 students
- Franklin High SchoolHigh · 1,807 students
- Leodis V. McDaniel High SchoolHigh · 1,681 students
- Ida B. Wells-Barnett High SchoolHigh · 1,650 students
- Lincoln High SchoolHigh · 1,611 students
- Roosevelt High SchoolHigh · 1,450 students
Other schools in Portland
- David Douglas High SchoolHigh · 2,756 students
- Westview High SchoolHigh · 2,423 students
- Grant High SchoolHigh · 2,149 students
- Sunset High SchoolHigh · 1,812 students
- Franklin High SchoolHigh · 1,807 students
- Leodis V. McDaniel High SchoolHigh · 1,681 students
Nearby schools
- Bridger Creative Science School0.5 mi · 474
- Vestal Elementary School0.6 mi · 257
- Clark Elementary School0.8 mi · 330
- Harrison Park School0.9 mi · 372
- Mt Tabor Middle School0.9 mi · 466
- Hassolo School1.1 mi · 6
Frequently asked questions
About Portland Arthur Academy Charter SchoolHow large is Portland Arthur Academy Charter School?
Portland Arthur Academy Charter School enrolls approximately 165 students in grades KG-05.
What age range does Portland Arthur Academy Charter School serve?
Portland Arthur Academy Charter School serves students from grade KG through grade 05.
What is the student-teacher ratio at Portland Arthur Academy Charter School?
The student-to-teacher ratio at Portland Arthur Academy Charter School is approximately 13.8:1 (12 FTE teachers).
How diverse is Portland Arthur Academy Charter School?
Portland Arthur Academy Charter School reports a student body of 44% White, 10% Hispanic, 12% Black, 26% Asian, 7% Two or more.
What district is Portland Arthur Academy Charter School in?
Portland Arthur Academy Charter School is part of Portland SD 1J.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.