Very Good
#152 of 571 private schools in WI
Top 26% of private schools
St Mary Parish School
Elementary School
9553 W EDGERTON AVE, Hales Corners, WI 53130
Enrollment
316
Student-Teacher
11.9:1
Score
7.1
Grades
Pre-K – 8th
Enrollment
316
Student-Teacher
11.9:1
Score
7.1
Grades
Pre-K – 8th
Data vintage
2021-22
Data vintage2021-22
How this school compares
Wisconsin private schools
#152 of 571
In Hales Corners
#2 of 3
public schools
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St Mary Parish School
Elementary School in Hales Corners · grades Pre-K – 8th. Start here, then compare fit against nearby and district options.
St Jacobi Evangelical Lutheran School
0.8 mi away. Use as a geographic alternative in the same move search.
Journeys Lutheran School
1.0 mi away. Use as a geographic alternative in the same move search.
About St Mary Parish School
St Mary Parish School is a private elementary school in Hales Corners, WI. St Mary Parish School serves approximately 316 students, and covers grades Pre-K-8th, and has a 11.9:1 student-teacher ratio. St Mary Parish School has a current MySchoolScout rating of 7.1 out of 10 and ranks #152 of 571 private schools in WI.
Structured state assessment records for St Mary Parish School show 46% math proficiency (2025 FORWARD) and 48% reading/ELA proficiency (2025 FORWARD).
- This school 7.1 · Very Good
- WI avg 6.8
What Parents Should Know
St Mary Parish 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 Mary Parish School compares to the 2 public schools in Hales Corners, WI
Student Demographics
All Schools in Hales Corners
| School | Rating |
|---|---|
| St Mary Parish School (this school) | 7.1 |
| Edgerton Elementary | 8.7 |
| Hales Corners Elementary | 8.3 |
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 WI.
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 WI
Test Scores WI FORWARD (2024-25)
Based on 14 test records from WI state assessments. About our data
Student Demographics NCES PSS (SY 2021-22)
Source: NCES Private School Survey (PSS)
Location
9553 W EDGERTON AVE, Hales Corners, WI 53130
Nearby Alternatives
Families considering St Mary Parish School may also want to explore other elementary schools in the area. Edgerton Elementary (rated 8.7/10, 1.3 miles away), which scores notably higher. Another option is Canterbury Elementary (rated 8.7/10, 1.7 miles away, in nearby Greendale), which scores notably higher. Additionally, Hales Corners Elementary (rated 8.3/10, 1.3 miles away), which scores notably higher. For more schools in Hales Corners, see our Hales Corners schools guide .
Nearby Schools
20 within 2.3 mi| School | Distance | Rating |
|---|---|---|
| ST JACOBI EVANGELICAL LUTHERAN SCHOOL Greenfield | 0.8 mi | 4.9 |
| JOURNEYS LUTHERAN SCHOOL Hales Corners | 1.0 mi | 7.6 |
| ST JOHN THE EVANGELIST SCHOOL Greenfield | 1.5 mi | 7.9 |
| MARTIN LUTHER HIGH SCHOOL Greendale | 1.2 mi | 5.9 |
| Hales Corners Elementary Hales Corners | 1.3 mi | 8.3 |
| Whitnall High Greenfield | 1.3 mi | 5.1 |
| Edgerton Elementary Hales Corners | 1.3 mi | 8.7 |
| CORE4 Greenfield | 1.3 mi | 3.5 |
| Whitnall Middle Greenfield | 1.3 mi | 7.6 |
| Alcott Elementary Milwaukee | 2.1 mi | 3.5 |
| MESSIAH LUTHERAN SCHOOL Hales Corners | 1.7 mi | — |
| Canterbury Elementary Greendale | 1.7 mi | 8.7 |
| Greendale Middle Greendale | 1.8 mi | 7.8 |
| Academy of Accelerated Learning Milwaukee | 2.3 mi | 6.7 |
| Greendale High Greendale | 2.0 mi | 4.9 |
| HALES CORNERS LUTHERAN SCHOOL Hales Corners | 2.0 mi | 5.6 |
| ST MATTHIAS PARISH SCHOOL Milwaukee | 2.6 mi | 8.0 |
| Maple Grove Elementary Greenfield | 2.1 mi | 4.5 |
| ST JOHNS LUTHERAN SCHOOL Milwaukee | 2.3 mi | 5.6 |
| ST ALPHONSUS SCHOOL Greendale | 2.3 mi | 7.9 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 53130 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$86,806
Median Home Value
$290,400
Median Rent
$1,274/mo
Population
7,647
College Educated
41.7%
Homeownership
58.2%
Avg Commute
21 min
Poverty Rate
3.8%
Median Age
38.1
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Berry Elementary Appleton, WI | 7.1 |
| Crescent Elementary Rhinelander, WI | 7.1 |
| Cumberland Elementary Cumberland, WI | 7.1 |
| Darien Elementary Delavan, WI | 7.1 |
| Edgewood Elementary Oak Creek, WI | 7.1 |
| Fox Prairie Elementary Stoughton, WI | 7.1 |
Frequently Asked Questions
Common questions about St Mary Parish School
What grades does St Mary Parish School serve?
St Mary Parish School serves students in grades Pre-K through 8th.
How many students attend St Mary Parish School?
St Mary Parish School has an enrollment of approximately 316 students.
What is the student-teacher ratio at St Mary Parish School?
The student-teacher ratio at St Mary Parish School is 11.9:1. A lower ratio generally means more individual attention per student. The national average is approximately 11:1 for private schools.
How does St Mary Parish School rank in WI?
St Mary Parish School ranks #152 of 571 private schools in WI.
What is St Mary Parish School's MySchoolScout rating?
St Mary Parish School has a current MySchoolScout rating of 7.1 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at St Mary Parish School?
Based on loaded state assessment records, St Mary Parish School has 46% math proficiency (2025 FORWARD) and 48% reading/ELA proficiency (2025 FORWARD).
Is St Mary Parish School a private school?
Yes, St Mary Parish 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 Mary Parish School a religious school?
St Mary Parish School has a Roman Catholic religious affiliation.
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Neighborhood Context
Powered by 
Quick Facts NCES PSS (SY 2021-22)
- Grades
- Pre-K – 8th
- Enrollment
- 316
- Gender Split
- 43% M / 57% F
- Student-Teacher Ratio
- 11.9:1
- Teachers (FTE)
- 27
- Type
- private
- Coed Status
- coed
- Affiliation
- Roman Catholic
- School Day
- 7 hours
- Days Per Year
- 177 days
- Setting
- Large Suburb
- County
- Milwaukee County
- Phone
- (414) 425-3100
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