Average
#149 of 381 private schools in WA
Top 39% of private schools
St Monica School
Elementary School
4320 87TH AVE SE, Mercer Island, WA 98040
Enrollment
216
Student-Teacher
12.1:1
Score
6.7
Grades
Pre-K – 8th
Enrollment
216
Student-Teacher
12.1:1
Score
6.7
Grades
Pre-K – 8th
Data vintage
2021-22
Data vintage2021-22
How this school compares
Washington private schools
#149 of 381
In Mercer Island
#4 of 4
public schools
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St Monica School
Elementary School in Mercer Island · grades Pre-K – 8th. Start here, then compare fit against nearby and district options.
Mercer Island High School
0.2 mi away. Use as a geographic alternative in the same move search.
Northwood Elementary School
0.3 mi away. Use as a geographic alternative in the same move search.
About St Monica School
St Monica School is a private elementary school in Mercer Island, WA. St Monica School serves approximately 216 students, and covers grades Pre-K-8th, and has a 12.1:1 student-teacher ratio. St Monica School has a current MySchoolScout rating of 6.7 out of 10 and ranks #149 of 381 private schools in WA.
- This school 6.7 · Average
- WA avg 6.8
What Parents Should Know
St Monica School is private, so it runs independently of the local district and sets its own curriculum. That freedom cuts both ways depending on what you want for your child. If you're considering it, start with the practical questions: tuition, financial aid, and how admissions work.
Compare to Public Schools
BetaHow St Monica School compares to 5 public schools serving similar grades in Mercer Island, WA
Student Demographics
Nearby Elementary Schools
| School | Rating |
|---|---|
| St Monica School (this school) | 6.7 |
| Northwood Elementary School | 9.2 |
| West Mercer Elementary | 9.0 |
| Island Park Elementary | 9.7 |
| Islander Middle School | 8.2 |
| Lakeridge Elementary School | 9.3 |
Demographics sourced from NCES Private School Survey (PSS) and Common Core of Data (CCD). Comparisons are based on enrollment-weighted averages.
Score Breakdown
PreliminaryWhat 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.
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 WA
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
4320 87TH AVE SE, Mercer Island, WA 98040
Nearby Alternatives
Families considering St Monica School may also want to explore other elementary schools in the area. Island Park Elementary (rated 9.7/10, 1.1 miles away), which scores notably higher. Another option is Lakeridge Elementary School (rated 9.3/10, 2.5 miles away), which scores notably higher. Additionally, Northwood Elementary School (rated 9.2/10, 0.3 miles away), which scores notably higher. For more schools in Mercer Island, see our Mercer Island schools guide .
Nearby Schools
20 within 2.4 mi| School | Distance | Rating |
|---|---|---|
| Mercer Island High School Mercer Island | 0.2 mi | 8.8 |
| Northwood Elementary School Mercer Island | 0.3 mi | 9.2 |
| West Mercer Elementary Mercer Island | 0.4 mi | 9.0 |
| NORTHWEST YESHIVA HIGH SCHOOL Mercer Island | 0.8 mi | 6.9 |
| PRIVETT ACADEMY Mercer Island | 0.8 mi | — |
| YELLOW WOOD ACADEMY Mercer Island | 0.8 mi | 8.2 |
| Island Park Elementary Mercer Island | 1.1 mi | 9.7 |
| FRENCH AMERICAN SCHOOL OF PUGET SOUND Mercer Island | 0.9 mi | 7.8 |
| EARLY WORLD MONTESSORI Mercer Island | 1.1 mi | — |
| CREATIVE LEARNING CENTER LLC Mercer Island | 1.5 mi | — |
| Enatai Elementary School Bellevue | 1.8 mi | 7.3 |
| Islander Middle School Mercer Island | 2.2 mi | 8.2 |
| Lakeridge Elementary School Mercer Island | 2.5 mi | 9.3 |
| Bellevue High School Bellevue | 2.7 mi | 8.4 |
| Newport Heights Elementary Bellevue | 2.2 mi | 8.9 |
| Vera Risdon Middle School Newcastle | 2.6 mi | 6.5 |
| TORAH ACADEMY OF THE PACIFIC NORTHWEST Seattle | 2.4 mi | — |
| Hazelwood Elementary School Newcastle | 2.8 mi | 8.8 |
| Medina Elementary School Medina | 3.3 mi | 9.1 |
| Newport Senior High School Bellevue | 2.4 mi | 8.6 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 98040 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$202,359
Median Home Value
$1,884,200
Median Rent
$2,464/mo
Population
25,282
College Educated
78.8%
Homeownership
66%
Avg Commute
24.9 min
Poverty Rate
4.6%
Median Age
45.8
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Green Mountain School Woodland, WA | 6.7 |
| Impact Public Schools Tacoma, WA | 6.7 |
| Peshastin Dryden Elementary Peshastin, WA | 6.7 |
| ST NICHOLAS CATHOLIC SCHOOL Gig Harbor, WA | 6.7 |
| Sacajawea Elementary School Seattle, WA | 6.7 |
| IMMACULATE CONCEPTION / OLPH Everett, WA | 6.8 |
Frequently Asked Questions
Common questions about St Monica School
What grades does St Monica School serve?
St Monica School serves students in grades Pre-K through 8th.
How many students attend St Monica School?
St Monica School has an enrollment of approximately 216 students.
What is the student-teacher ratio at St Monica School?
The student-teacher ratio at St Monica School is 12.1:1. A lower ratio generally means more individual attention per student. The national average is approximately 11:1 for private schools.
How does St Monica School rank in WA?
St Monica School ranks #149 of 381 private schools in WA.
What is St Monica School's MySchoolScout rating?
St Monica School has a current MySchoolScout rating of 6.7 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
Is St Monica School a private school?
Yes, St Monica 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 Monica School a religious school?
St Monica School has a Roman Catholic religious affiliation.
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Neighborhood Context
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Quick Facts NCES PSS (SY 2021-22)
- Grades
- Pre-K – 8th
- Enrollment
- 216
- Gender Split
- 50% M / 50% F
- Student-Teacher Ratio
- 12.1:1
- Teachers (FTE)
- 18
- Type
- private
- Coed Status
- coed
- Affiliation
- Roman Catholic
- School Day
- 6.8 hours
- Days Per Year
- 180 days
- Setting
- Large Suburb
- County
- King County
- Phone
- (206) 232-5432
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