Excellent
#1 of 186 private schools in OR
Top 1% of private schools
International School of Portland
Elementary School
2305 S WATER AVE, Portland, OR 97201
Estimated academic score. This school does not have standardized test data. Based on 144 schools in Portland. Learn more
Enrollment
286
Student-Teacher
6.8:1
Score
8.7
Grades
Pre-K – 5th
Enrollment
286
Student-Teacher
6.8:1
Score
8.7
Grades
Pre-K – 5th
Updated
2021-22
Updated 2021-22
How this school compares
In Portland
#1 of 55
public schools
Oregon elementary schools
#1 of 111
Academic performance
7.3 / 10
Strong
About International School of Portland
International School of Portland serves 286 students in prekindergarten through fifth grade in the heart of Portland, Oregon. This elementary public school distinguishes itself with an exceptionally low student-teacher ratio of 6.8 to 1, supported by 42 full-time equivalent teachers, creating an environment where students can receive personalized attention and support. The school has earned recognition for its academic quality, receiving an 8.4 out of 10 rating from MySchoolScout and ranking 79th among Oregon's 186 elementary schools, placing it in the 58th percentile statewide.
This solid performance reflects the school's commitment to educational excellence within the public school system. Located at 2305 S Water Avenue, the school serves a diverse community where 67% of residents hold bachelor's degrees or higher, indicating strong educational values in the surrounding area. The neighborhood shows economic diversity, with a median household income of $64,385 and median home values of $641,400, alongside a 23% poverty rate that reflects the varied socioeconomic backgrounds of families in the area.
International School of Portland operates in Portland's dynamic urban landscape, where students benefit from the cultural richness and educational opportunities that come with attending school in one of the Pacific Northwest's most vibrant cities.
What Parents Should Know
With a student-teacher ratio of 6.8:1, International School of Portland offers a notably low ratio compared to the national average. This typically means smaller class sizes and more opportunities for one-on-one interaction between students and teachers.
As a private school, International School of Portland operates independently from the local public school district. Families considering this school should inquire about tuition costs, financial aid availability, and the admissions process. Private schools are not required to follow the same curriculum standards as public schools, which can be either an advantage or a consideration depending on your priorities.
Financial Overview
Source: IRS Form 990 (2023 filing)
- Per-Pupil Spending
- Total expenses ÷ enrollment
- $17,835
- Per-Pupil Revenue
- Total revenue ÷ enrollment
- $20,044
- Financial Health
- Revenue-to-expense ratio (>1.0 = surplus)
- 1.12x — Strong
- Tuition Dependency
- Share of revenue from program services (tuition, fees)
- 86%
- Total Assets
- End-of-year total assets from IRS filing
- $15.9M
Financial data from IRS Form 990 filings via ProPublica Nonprofit Explorer. Per-pupil figures based on current enrollment of 286 students. Not all private schools file Form 990.
Compare to Public Schools
BetaHow International School of Portland compares to 107 public schools serving similar grades in Portland, OR
Student Demographics
Nearby Elementary Schools
| School | Rating |
|---|---|
| International School of Portland (this school) | 8.7 |
| The Cottonwood School of Civics and Science | 8.0 |
| Ainsworth Elementary School | 8.6 |
| Abernethy Elementary School | 9.2 |
| Emerson School | 7.4 |
| Winterhaven School | 9.1 |
| Buckman Elementary School | 7.9 |
| Metropolitan Learning Center | 8.0 |
| Le Monde French Immersion Public Charter School | 9.5 |
| Rieke Elementary School | 9.4 |
| Llewellyn Elementary School | 9.3 |
| Grout Elementary School | 9.4 |
| Chapman Elementary School | 5.6 |
| Sunnyside Environmental School | 8.8 |
| Bridlemile Elementary School | 9.1 |
| Irvington Elementary School | 9.4 |
| Richmond Elementary School | 7.7 |
| Boise-Eliot Elementary School | 7.5 |
| Kairos PDX | 7.1 |
| Beverly Cleary School | 8.6 |
| Capitol Hill Elementary School | 7.8 |
Showing 20 of 107 schools. View all schools in Portland
Demographics sourced from NCES Private School Survey (PSS) and Common Core of Data (CCD). Comparisons are based on enrollment-weighted averages.
Score Breakdown
What This Rating Measures
This rating reflects classroom size, instructional time, student diversity, community resources, and school characteristics. Private schools are ranked against other private schools in OR.
Data Unavailable
View data sources
Score basis: Private school model
Data coverage: 80% of scoring components had data
Components scored: 4 of 5
Ranking pool: Private schools in OR
Test Scores
Test score data not yet available for this school.
Student Demographics NCES PSS (SY 2021-22)
Source: NCES Private School Survey (PSS)
Location
2305 S WATER AVE, Portland, OR 97201
Nearby Alternatives
Families considering International School of Portland may also want to explore other elementary schools in the area. Abernethy Elementary School (rated 9.2/10, 1.2 miles away), which scores slightly higher. Another option is Winterhaven School (rated 9.1/10, 1.4 miles away), which scores slightly higher. Additionally, A RENAISSANCE SCHOOL OF ARTS AND SCIENCES (rated 8.6/10, 1.0 miles away), with a very similar rating. For more schools in Portland, see our Portland schools guide .
Nearby Schools
20 within 1.9 mi| School | Distance | Rating |
|---|---|---|
| BRIDGES MIDDLE SCHOOL Portland | 0.1 mi | 5.6 |
| CEDARWOOD WALDORF SCHOOL Portland | 0.4 mi | 6.5 |
| PORTLAND CHINESE SCHOOL Portland | 0.6 mi | 1.8 |
| ST JAMES CHILD DEVELOPMENT CENTER Portland | 0.8 mi | — |
| The Cottonwood School of Civics and Science Portland | 1.0 mi | 8.0 |
| URBAN ED ALTERNATIVE SCHOOL OUTSIDE IN SCHOOL Portland | 0.9 mi | 5.6 |
| A RENAISSANCE SCHOOL OF ARTS AND SCIENCES Portland | 1.0 mi | 8.6 |
| NORTHWEST ACADEMY Portland | 0.9 mi | 8.4 |
| Emerson School Portland | 1.2 mi | 7.4 |
| Lincoln High School Portland | 1.2 mi | 8.1 |
| Ainsworth Elementary School Portland | 1.2 mi | 8.6 |
| Abernethy Elementary School Portland | 1.2 mi | 9.2 |
| Metropolitan Learning Center Portland | 1.6 mi | 8.0 |
| VENN ACADEMY Portland | 1.3 mi | — |
| Winterhaven School Portland | 1.4 mi | 9.1 |
| Buckman Elementary School Portland | 1.6 mi | 7.9 |
| CHILDPEACE MONTESSORI SCHOOL Portland | 2.1 mi | 7.2 |
| Ida B. Wells-Barnett High School Portland | 2.1 mi | 8.0 |
| Harriet Tubman Middle School Portland | 2.3 mi | 9.4 |
| VILLAGE FREE SCHOOL Portland | 1.9 mi | 6.4 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 97201 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$67,074
Median Home Value
$648,400
Median Rent
$1,565/mo
Population
17,229
College Educated
66.6%
Homeownership
29.2%
Avg Commute
22.9 min
Poverty Rate
19.6%
Median Age
33.3
Community Profile
The community surrounding International School of Portland has a median household income of $67,074. It is a well-educated community where 67% of adults hold a bachelor's degree or higher. The median home value in the area is $648,400, with a median rent of $1,565/month. The area has a poverty rate of 19.6%. The average commute for residents is 23 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Cedaroak Park Primary School West Linn, OR | 8.7 |
| Coburg Community Charter School Eugene, OR | 8.7 |
| Forest Hills Elementary School Lake Oswego, OR | 8.7 |
| Hallinan Elementary School Lake Oswego, OR | 8.7 |
| Lincoln Elementary School Corvallis, OR | 8.7 |
| Orchard Hill Elementary School Medford, OR | 8.7 |
Frequently Asked Questions
Common questions about International School of Portland
What grades does International School of Portland serve?
International School of Portland serves students in grades Pre-K through 5th.
How many students attend International School of Portland?
International School of Portland has an enrollment of approximately 286 students.
What is the student-teacher ratio at International School of Portland?
The student-teacher ratio at International School of Portland is 6.8:1. A lower ratio generally means more individual attention per student. The national average is approximately 11:1 for private schools.
How does International School of Portland rank in OR?
International School of Portland is ranked #1 out of 186 private schools in OR.
What is International School of Portland's MySchoolScout rating?
International School of Portland has a composite rating of 8.7 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
Is International School of Portland a private school?
Yes, International School of Portland is a private coeducational school with a Nonsectarian affiliation. Private schools are not required to participate in state standardized testing, so academic performance data may be limited compared to public schools.
Is International School of Portland a religious school?
No, International School of Portland is a nonsectarian (non-religious) private school.
Explore More Schools
Neighborhood Context
- Walk Score
- 88 Very Walkable
- Transit Score
- 86 Excellent Transit
- Bike Score
- 81 Very Bikeable
- City Safety
- High (6,288/100K)
Powered by 
FBI UCR 2024. City-level (Portland). Data >1 year old.
Quick Facts NCES PSS (SY 2021-22)
- Grades
- Pre-K – 5th
- Enrollment
- 286
- Gender Split
- 66% M / 34% F
- Student-Teacher Ratio
- 6.8:1
- Teachers (FTE)
- 42
- Type
- private
- Coed Status
- coed
- Affiliation
- Nonsectarian
- School Day
- 7 hours
- Days Per Year
- 174 days
- Setting
- Large City
- County
- MULTNOMAH
- Phone
- (503) 226-2496
- Data Year
- 2022–2023
Resources & Links
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
Read our full methodologyRelated reading
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