Skip to main content

Very Good

#51 of 381 private schools in WA

Top 13% of private schools

St Alphonsus School

Elementary School

5816 15TH AVE NW, Seattle, WA 98107

Private Estimated Score

Estimated academic score. This school does not have standardized test data. Based on 33 schools in Seattle. Learn more

Enrollment

140

Student-Teacher

7.3:1

Score

7.6

Grades

Pre-K – 8th

Updated 2021-22

How this school compares

In Seattle

#15 of 68

public schools

Washington elementary schools

#28 of 231

About St Alphonsus School

ST ALPHONSUS SCHOOL serves 140 students from pre-kindergarten through eighth grade in Seattle's affluent Ballard-adjacent neighborhood. This elementary school maintains an exceptionally low student-teacher ratio of 7.3:1 with 19 full-time equivalent teachers, ensuring personalized attention for each child. The school has earned impressive recognition, ranking #6 out of 381 schools statewide and placing in the 99th percentile among Washington elementary schools.

This outstanding performance has contributed to its strong 7.7 out of 10 MySchoolScout rating, reflecting the school's commitment to academic excellence. Students benefit from the advantages of attending school in an educated community where 76% of residents hold bachelor's degrees or higher. The surrounding neighborhood in ZIP code 98107 has a median household income of $131,559 and a low poverty rate of just 6.0%, creating a stable environment that supports student learning.

With median home values around $896,300, the area attracts families who prioritize education and community involvement. The school's small size fosters a close-knit learning environment where teachers can develop meaningful relationships with students and families. ST ALPHONSUS SCHOOL operates in Seattle's vibrant urban setting, providing students with access to the cultural and educational resources of a major metropolitan area.

What Parents Should Know

With an enrollment of 140 students, St Alphonsus School is a smaller school where families often find a close-knit community atmosphere. Smaller settings can mean more individual attention from teachers and staff, though they may offer fewer extracurricular options than larger schools.

With a student-teacher ratio of 7.3:1, St Alphonsus School 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, St Alphonsus School 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.

Compare to Public Schools

Beta

How St Alphonsus School compares to 104 public schools serving similar grades in Seattle, WA

Student-Teacher Ratio
7.3:1
This School
vs
15.9:1
Public Avg
Avg School Size
140
This School
vs
394
Public Avg
Avg School Scout Rating
7.6
This School
vs
7.3
Public Avg

Student Demographics

White 62.1% vs 0%
Hispanic 7.1% vs 0%
Black 5% vs 0%
Asian 5% vs 0%
St Alphonsus School Seattle Public Avg

Nearby Elementary Schools

School Rating
St Alphonsus School (this school) 7.6
Salmon Bay K-8 School 7.8
West Woodland Elementary School 8.8
Adams Elementary School 9.0
Whittier Elementary School 9.5
Licton Springs K-8 4.0
Loyal Heights Elementary School 8.7
Lawton Elementary School 7.3
Greenwood Elementary School 8.8
B F Day Elementary School 8.2
North Beach Elementary School 7.9
Whitman Middle School 7.4
Daniel Bagley Elementary School 7.6
Hamilton International Middle School 6.5
Frantz Coe Elementary School 9.2
Green Lake Elementary School 5.9
Magnolia Elementary School 9.2
Catharine Blaine K-8 School 8.8
McDonald International School 8.2
Robert Eagle Staff Middle School 8.2
Cascadia Elementary 8.6

Showing 20 of 104 schools. View all schools in Seattle

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 WA.

Classroom Attention
? Student-teacher ratio calibrated against other private schools. Lower ratios mean more individual attention. (30% of overall score)
A 8.7 / 10
View breakdown
Student-Teacher Ratio 7.3:1
Instructional Commitment
? Total annual instructional hours based on school day length and days per year. (15% of overall score)
C+ 4.1 / 10
View breakdown
School Day Length 6.3 hours
Annual Instructional Hours 1,127.7
Diversity & Inclusion
? Racial and ethnic diversity of the student body using Simpson's diversity index. (20% of overall score)
A- 7.9 / 10
View breakdown
Diversity Index 56%
Community Context

Data Unavailable

School Profile
? Enrollment size and grade span breadth — indicators of program depth and peer community. (15% of overall score)
A- 8.3 / 10
View breakdown
Enrollment 140
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 WA

Test Scores

Test score data not yet available for this school.

Student Demographics NCES PSS (SY 2021-22)

White 62.1%
Two or More 20.7%
Hispanic 7.1%
Black 5.0%
Asian 5.0%

Source: NCES Private School Survey (PSS)

Location

5816 15TH AVE NW, Seattle, WA 98107

Nearby Alternatives

Families considering St Alphonsus School may also want to explore other elementary schools in the area. Whittier Elementary School (rated 9.5/10, 0.9 miles away), which scores notably higher. Another option is Frantz Coe Elementary School (rated 9.2/10, 2.2 miles away), which scores notably higher. Additionally, Adams Elementary School (rated 9.0/10, 0.8 miles away), which scores notably higher. For more schools in Seattle, see our Seattle schools guide .

Nearby Schools

20 within 1.9 mi
School Distance Rating
Ballard High School Seattle 0.4 mi 7.6
Salmon Bay K-8 School Seattle 0.4 mi 7.8
MATHEIA SCHOOL Seattle 0.6 mi 6.3
Whittier Elementary School Seattle 0.9 mi 9.5
West Woodland Elementary School Seattle 0.6 mi 8.8
PACIFIC CREST SCHOOL Seattle 0.9 mi 5.8
Adams Elementary School Seattle 0.8 mi 9.0
Loyal Heights Elementary School Seattle 1.2 mi 8.7
Lawton Elementary School Seattle 1.2 mi 7.3
Licton Springs K-8 Seattle 1.1 mi 4.0
Greenwood Elementary School Seattle 1.3 mi 8.8
NORTH SEATTLE FRENCH SCHOOL Seattle 1.2 mi 7.8
NORTHWEST MONTESSORI SCHOOL Seattle 1.1 mi 7.6
ST JOHN SCHOOL Seattle 1.4 mi 5.6
KAPKA COOPERATIVE SCHOOL Seattle 1.2 mi 6.5
Whitman Middle School Seattle 1.8 mi 7.4
North Beach Elementary School Seattle 1.7 mi 7.9
B F Day Elementary School Seattle 1.7 mi 8.2
Frantz Coe Elementary School Seattle 2.2 mi 9.2
WOODLAND PARK COOPERATIVE Seattle 1.9 mi

Neighborhood Census ACS (2019-2023)

Census data for ZIP 98107 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$137,748

Median Home Value

$924,900

Median Rent

$2,194/mo

Population

28,390

College Educated

76.1%

Homeownership

39.4%

Avg Commute

29 min

Poverty Rate

5.4%

Median Age

33.8

Community Profile

The community surrounding St Alphonsus School has a median household income of $137,748. It is a well-educated community where 76% of adults hold a bachelor's degree or higher. The median home value in the area is $924,900, with a median rent of $2,194/month. The local poverty rate of 5.4% is relatively low. The average commute for residents is 29 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
Home Education Exchange Shoreline, WA 7.6
Inchelium Elementary School Inchelium, WA 7.6
SOUNDVIEW SCHOOL Lynnwood, WA 7.6
CEDAR CREST ACADEMY - BELLEWOOD CAMPUS Bellevue, WA 7.5
Carrolls Elementary Carrolls, WA 7.5
MEDINA ACADEMY Bellevue, WA 7.5

Frequently Asked Questions

Common questions about St Alphonsus School

What grades does St Alphonsus School serve?

St Alphonsus School serves students in grades Pre-K through 8th.

How many students attend St Alphonsus School?

St Alphonsus School has an enrollment of approximately 140 students.

What is the student-teacher ratio at St Alphonsus School?

The student-teacher ratio at St Alphonsus School is 7.3:1. A lower ratio generally means more individual attention per student. The national average is approximately 11:1 for private schools.

How does St Alphonsus School rank in WA?

St Alphonsus School is ranked #51 out of 381 private schools in WA.

What is St Alphonsus School's MySchoolScout rating?

St Alphonsus School has a composite rating of 7.6 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.

Is St Alphonsus School a private school?

Yes, St Alphonsus School is a private coeducational school with a Roman Catholic affiliation. Private schools are not required to participate in state standardized testing, so academic performance data may be limited compared to public schools.

Is St Alphonsus School a religious school?

St Alphonsus School has a Roman Catholic religious affiliation.

11 schools nearby View map →

Neighborhood Context

Walk Score
96 Walker's Paradise
Transit Score
52 Good Transit
Bike Score
94 Biker’s Paradise
City Safety
High (5,803/100K)

Powered by Walk Score

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

Quick Facts NCES PSS (SY 2021-22)

Grades
Pre-K – 8th
Enrollment
140
Gender Split
61% M / 39% F
Student-Teacher Ratio
7.3:1
Teachers (FTE)
19
Type
private
Coed Status
coed
Affiliation
Roman Catholic
School Day
6.3 hours
Days Per Year
179 days
Setting
Large City
County
KING
Data Year
2022–2023

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

Related reading

Get school insights in your inbox

New rankings, best-schools lists, and parent guides — delivered free. No spam, unsubscribe anytime.

We respect your privacy. Unsubscribe at any time.