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Excellent

#107 of 1,226 schools in OR

Top 9% in state

Sauvie Island School

Elementary School · Scappoose SD 1J

14445 NW Charlton Rd, Portland, OR 97231

Charter

Enrollment

214

Student-Teacher

15.3:1

Score

8.6

Grades

Kindergarten – 8th

Updated 2022-23

How this school compares

In Portland

#48 of 148

public schools

Oregon elementary schools

#93 of 689

In district

#1 of 8

Scappoose SD 1J

Academic performance

9.6 / 10

Exceptional

About Sauvie Island School

Sauvie Island School is a public elementary school in Portland, OR, part of the Scappoose SD 1J. The school serves approximately 214 students in grades Kindergarten – 8th with a student-teacher ratio of 15.3:1. It holds a MySchoolScout rating of 8.6/10, placing it in the 91.4th percentile among OR schools — an above average rating overall.

Students demonstrate 56% proficiency in math, 24 points above the state average and 67% in reading/language arts, 24 points above the state average. The school scores particularly well in student growth (8.4/10). Located in a neighborhood with a median household income of $122,063, where 60% of adults hold a bachelor's degree or higher.

The school is situated in a fringe rural setting.

What Parents Should Know

Sauvie Island School is a charter school — a publicly funded school that operates with more autonomy than traditional district schools. Charter schools often have distinct educational models or specialties. Parents should understand the school's specific mission, enrollment process, and how its approach differs from nearby district options.

Located in a rural area, Sauvie Island School may involve longer commutes for some families. Rural schools often serve as community anchors and may have smaller class sizes, but parents should consider transportation logistics, after-school program availability, and access to specialized services.

Score Breakdown

Full Profile · 3/3 metrics
Student Progress8.4Excellent50%
Year-over-year improvement in student test scores.
View breakdown
Years of Data4
Annual Change-0.36 pts/yr
Data Period2019–2025
TrendStable
Academics9.6Exceptional30%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency65.9%
Reading/ELA Proficiency65.2%
Math vs. State Avg+34.1 pts
Reading vs. State Avg+22.2 pts
Overall Proficiency66%
Expected (poverty-adj.)44%
vs. Expected+22.0 pts
Adjusted Percentile94th
College ReadinessNot Available

Data not available for this school

Resources & Environment7.7Very Good20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio15.3:1
Per-Pupil Spending$13,655

Sauvie Island School — Students at Sauvie Island School score 66% proficient, which is above what's typical for similar communities (expected: 44%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

31.8%

Students qualifying for federal meal assistance

Test Scores OR OSAS (2024-25)

Math Proficiency 55.5%
School
State
31.8%
ELA Proficiency 66.6%
School
State
43.0%

Based on 8 test records from OR state assessments. About our data

Proficiency Trend

→ Stable

Average proficiency (% at or above grade level) across Math & ELA over time.

2019
Math
62%
ELA
77%
2021*
Math
42%
ELA
62%
2022
Math
52%
ELA
62%
2025
Math
65.9%
ELA
65.2%

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Source: EdFacts (NCES) and state assessment data. Growth score: 8.4/10.

How Sauvie Island School Compares

See how Sauvie Island School performs across key quality dimensions compared to state benchmarks.

Overall Score
8.6/10
91th percentile in OR
Academic
9.6/10
9.6/10
Growth
8.4/10
Above average
Environment
7.7/10
Above average

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
32%
Teaching Staff
15:1 student-teacher ratio
14 teachers

Location

14445 NW Charlton Rd, Portland, OR 97231

Nearby Alternatives

Families considering Sauvie Island School may also want to explore other elementary schools in the area. Sitton Elementary School (rated 9.2/10, 5.0 miles away), which scores slightly higher. Another option is Skyline Elementary School (rated 9.1/10, 3.6 miles away), which scores slightly higher. Additionally, GOODTIME CHINESE SCHOOL (rated 7.8/10, 7.0 miles away), with a comparable rating. For more schools in Portland, see our Portland schools guide .

Nearby Schools

20 within 7.2 mi
School Distance Rating
Skyline Elementary School Portland 3.6 mi 9.1
Sato Elementary School Portland 5.6 mi 6.3
Sitton Elementary School Portland 5.0 mi 9.2
Springville Elementary School Portland 6.1 mi 7.5
Jacob Wismer Elementary School Portland 6.6 mi 5.6
Stoller Middle School Portland 6.8 mi 6.6
James John Elementary School Portland 5.7 mi 7.5
THE MONTESORRI HOUSE OF ST JOHNS Portland 5.8 mi
GOODTIME CHINESE SCHOOL Portland 7.0 mi 7.8
GOODTIME CHINESE SCHOOL Portland 7.0 mi 7.0
WILLAMETTE VALLEY ACADEMY Portland 7.0 mi
BETHANY VILLAGE MONTESSORI Portland 7.0 mi
Scappoose High School Scappoose 6.8 mi 4.6
Grant Watts Elementary School Scappoose 6.9 mi 7.2
Otto Petersen Elementary School Scappoose 7.0 mi 7.4
Findley Elementary Portland 7.3 mi 6.5
George Middle School Portland 5.9 mi 7.2
Scappoose Online Academy Scappoose 7.0 mi 5.6
Roosevelt High School Portland 6.2 mi 5.7
Scappoose Middle School Scappoose 7.2 mi 6.3

Neighborhood Census ACS (2019-2023)

Census data for ZIP 97231 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$122,063

Median Home Value

$795,100

Median Rent

$1,824/mo

Population

4,304

College Educated

60.1%

Homeownership

87.3%

Avg Commute

26.9 min

Poverty Rate

5.5%

Median Age

51.8

Community Profile

The community surrounding Sauvie Island School has a median household income of $122,063. It is a well-educated community where 60% of adults hold a bachelor's degree or higher. The median home value in the area is $795,100, with a median rent of $1,824/month. The local poverty rate of 5.5% is relatively low. The average commute for residents is 27 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
A RENAISSANCE SCHOOL OF ARTS AND SCIENCES Portland, OR 8.6
Buff Elementary School Madras, OR 8.6
Cloverdale Elementary School Turner, OR 8.6
Helman Elementary School Ashland, OR 8.6
Tumalo Community School Bend, OR 8.6
Welches Elementary School Sandy, OR 8.6

Frequently Asked Questions

Common questions about Sauvie Island School

What grades does Sauvie Island School serve?

Sauvie Island School serves students in grades Kindergarten through 8th.

How many students attend Sauvie Island School?

Sauvie Island School has an enrollment of approximately 214 students.

What is the student-teacher ratio at Sauvie Island School?

The student-teacher ratio at Sauvie Island School is 15.3:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Sauvie Island School rank in OR?

Sauvie Island School is ranked #107 out of 1,226 schools in OR.

What is Sauvie Island School's MySchoolScout rating?

Sauvie Island School has a composite rating of 8.6 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.

What are the test scores at Sauvie Island School?

Based on the most recent state assessment data, Sauvie Island School has 55.5% math proficiency and 66.6% reading/ELA proficiency.

Is Sauvie Island School a charter school?

Yes, Sauvie Island School is a charter school. Charter schools are publicly funded but independently operated, often with more flexibility in curriculum and teaching methods.

Is Sauvie Island School a Title I school?

No, Sauvie Island School is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Sauvie Island School?

31.8% of students at Sauvie Island School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.

11 schools nearby View map →

Neighborhood Context

Walk Score
21 Car-Dependent
Bike Score
36 Somewhat Bikeable
City Safety
High (6,288/100K)

Powered by Walk Score

FBI UCR 2024. City-level (Portland). Data >1 year old.

Compare This School

How does Sauvie Island School stack up?

Creston Elementary School
9.6
Le Monde French Immersion Public Charter School
9.5
Astor Elementary School
9.3
Compare Selected →

Quick Facts NCES CCD (SY 2022-23)

Grades
Kindergarten – 8th
Enrollment
214
Student-Teacher Ratio
15.3:1
Teachers (FTE)
14
Free/Reduced Lunch
31.8%
Type
regular
Setting
Fringe Rural
County
Multnomah County
Data Year
2023–2024

District

Scappoose SD 1J
District Enrollment
2,255
Schools in District
8
Per-Pupil Spending
$15,387
District Rank
#1 of 8

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 methodology

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