Elementary school (grades K-5) · Portland, OR

Arthur Academy

Federal NCES profile for Arthur Academy, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 40/100.

2024-25 NCES dataElementary school (grades K-5)NCES 410394004181Charter school
0/100100/10040/100
👥 S:T ratio
0
🌟 Gifted program
70
📋 Attendance
50
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

The verdict

Arthur Academy earns 40/100 on the Resource Investment Index, with class sizes larger than 99% of Oregon schools. It is also more racially and ethnically mixed than most Oregon schools.

#47 of 87
elementary schools in Portland · Resource Index
40
Resource Index · Typical
52:1
large classes for Oregon
44.3%
free-lunch eligible

Arthur Academy has class sizes larger than 99% of Oregon schools. Computed live against every Oregon school reporting to NCES.

By Resource Investment Index, Arthur Academy ranks #47 of 87 elementary schools in Portland, OR.

School address

CCD year-over-year · 2022-23 → 2023-24

-3 students YoY

Arthur Academy held near 155 students from 2022-23 to 2023-24 (-3 headcount).

Teacher FTE lost 3.0 → 2.0 across the same CCD years.

Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).

Steady CCD campus

-3 students YoY 410394004181 · Portland, OR Elementary · SMALL · CHARTER

156 enr · 52:1 · 44.3% lunch · RII 40

Nearest enrollment peer: David Douglas High School (2,756 students)

Arthur Academy held near 155 students from 2022-23 to 2023-24 (-3 headcount). Teacher FTE lost 3.0 → 2.0 across the same CCD years. Read with this school → · District book → · Oregon schools → · Find another →

Arthur Academy in the enrollment neighbourhood

Fall enrollment among this campus and nearest district peers

students

What this shows Arthur Academy reports 156 students on the CCD universe file.

Source U.S. Department of Education, NCES Common Core of Data (Public School Universe) As of 2024-25

How Arthur Academy compares

Arthur Academy held steady on CCD headcount: ratios and free-lunch share vs Oregon and U.S. means.

Metric This school vs Oregon Oregon avg U.S. avg
Students per teacher 52:1 ▲ 195% 17.6:1 15.7:1
Free-lunch eligible 44.3% ▼ 16% 52.8% 51.7%
Enrollment 156 top 84% - -

Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25

52:1
Leaner classes than 0% of US schools, heavier class loads than most.
156
Bigger than 15% of US schools by enrollment, a small campus.

Equity indicators methodology

Economic need
44.3%
free-lunch eligible - 16% below the Oregon average of 52.8%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
52:1
students per teacher - 195% above state mean
Top 99% in Oregon - lower ratio than 1% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Engagement
19.9%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$21,259
per pupil, district-wide - above Oregon avg of $21,075
Well above the U.S. public-school average, reflecting substantially 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 + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 per 100 students. Reported via the Civil Rights Data Collection.

Student demographics

White 41.0%
Asian 20.5%
Hispanic or Latino 14.1%
African American 10.3%
Two or More 9.6%
Native Hawaiian / Pacific Islander 4.5%

Largest group: White at 41.0% of enrollment.

Student-body diversity index 74.8/100

Simpson diversity index - at 74.8, Arthur Academy is more mixed than the Oregon school average of 47.1.

Programs

Gifted & talented Yes

District finance for David Douglas Sd 40 reports $21,259 per pupil (NCES F-33) - open the district page for the full revenue mix.

How Arthur Academy Compares to District-Mates

School Enrollment Economic Profile Student-Teacher Ratio
David Douglas High School Larger Higher economic need Lower S:T ratio
Ron Russell Middle School Larger Higher economic need Lower S:T ratio
Floyd Light Middle School Larger Higher economic need Lower S:T ratio
Alice Ott Middle School Larger Higher economic need Lower S:T ratio
Gilbert Park Elementary School Larger Higher economic need Lower S:T ratio

Comparisons are relative to Arthur Academy's own figures; each column derives from NCES Common Core of Data.

Other Schools in This District

David Douglas Sd 40 · 5 sibling schools

View district profile

Similar elementary schools in Portland

6 comparable elementary schools (grades K-5) serving the same city.

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.

Frequently asked questions about Arthur Academy

How many students attend Arthur Academy?

Arthur Academy has 156 students enrolled. It is an elementary school in Portland, OR. CCD year-over-year: 158 (2022-23) → 155 (2023-24), nearly flat (-3).

What is the student-teacher ratio at Arthur Academy?

The student-teacher ratio at Arthur Academy is 52:1, which is 195% higher than the Oregon average of 17.6:1 and 231% higher than the national average of 15.7:1.

What percentage of students receive free lunch at Arthur Academy?

44.3% of students at Arthur Academy are eligible for free lunch, compared to the Oregon average of 52.8%.

What is the racial and ethnic makeup of Arthur Academy?

The largest demographic group at Arthur Academy is White at 41.0% of enrollment, in Portland, OR. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 74.8/100.

What is the Resource Investment Index for Arthur Academy?

Arthur Academy has a Resource Investment Index of 40/100 (typical 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 Arthur Academy rank among elementary schools in Portland?

By Resource Investment Index, Arthur Academy ranks #47 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 David Douglas Sd 40?

Besides Arthur Academy, David Douglas Sd 40 also operates David Douglas High School (2,756 students), Ron Russell Middle School (780 students), and Floyd Light Middle School (684 students). See the David Douglas Sd 40 district page for the complete list.

Source: National Center for Education Statistics (NCES) CCD + Public School Universe (2024-25), CRDC (2021-22), F-33 District Finance Survey (FY 2022-23) · 2024-25 Data as of the 2024-25 school year. Coverage from U.S. Department of Education NCES Common Core of Data. Varies by entity type; administrative districts and certain charter networks may report only a subset of fields.

All federal data sources used on this page

Full source list and how we compute each figure: methodology page.

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