Very Good
#152 of 571 private schools in WI
Top 26% of private schools
St Mary Parish School
Elementary School · Hales Corners, WI
A private elementary school in Hales Corners, WI serving grades Pre-K – 8th.
9553 W EDGERTON AVE, Hales Corners, WI 53130
- Math 46% vs WI 50% (2025)
- Reading 48% vs WI 49% (2025)
- 11.9:1 student-teacher ratio
Academics
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 not available
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
2025 FORWARD proficiency
Most recent published year. School vs. WI average.
How we rate schools
A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.
See how we rateThe neighborhood
Where St Mary Parish School sits, and what the surrounding area looks like.
Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries.
Getting around & local context
- Walk 32Car-Dependent
- Bike 40Somewhat Bikeable
- City Safety: Elevated745/100K
FBI Uniform Crime Reporting · 2024 · city context (Hales Corners), not school-level safety or attendance eligibility. Source details
Source period: 2024. Freshness not available.
Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)
Median income
$86,806
Median home value
$290,400
Median rent
$1,274/mo
College educated
41.7%
Homeownership
58.2%
Poverty rate
3.8%
ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 53130; this is area context, not an attendance boundary.
Programs & students
Student demographicsNCES Private School Universe Survey (PSS) (SY 2021–22)
Source: NCES Private School Universe Survey (PSS)
Compare nearby
Nearby same-level schools
4 from a 5-mile search
| School | Score | Grades | Distance | Enrollment | Compare |
|---|---|---|---|---|---|
| St Jacobi Evangelical Lutheran SchoolPrivate · tuition | 4.9private | PK–8 | 0.8 mi | 204 | Compare → |
| Journeys Lutheran SchoolPrivate · tuition | 7.6private | 3–12 | 1.0 mi | 75 | Compare → |
| Core4Charter · enrollment unverified | 3.5 | PK | 1.3 mi | 106 | Compare → |
| Edgerton ElementaryEnrollment path unverified | 8.7 | PK–5 | 1.3 mi | 376 | Compare → |
Distance is proximity only; it is not attendance eligibility.
Private · tuition: Potential private option; tuition and admission requirements have not been verified.
Charter · enrollment unverified: Potential charter option; enrollment requirements have not been verified.
Enrollment path unverified: Potential public school; its attendance or application path has not been classified.
Public and private scores come from different models and are shown side by side, not blended into one ranking.
St Mary Parish School is listed in Hales Corners, WI; verify the current enrollment path directly.
About St Mary Parish School
St Mary Parish School is a private elementary school in Hales Corners, WI, serving approximately 316 students in grades Pre-K-8th with a 11.9:1 student-teacher ratio. It holds a MySchoolScout rating of 7.1 out of 10 and ranks #152 of 571 private schools in WI. State assessment records show 46% math proficiency (2025 FORWARD) and 48% reading/ELA proficiency (2025 FORWARD).
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.
School factsNCES Private School Universe Survey (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
- Area population (ZIP 53130)
- 7,647
- Area average commute
- 21 min
- Area median age
- 38.1
About this school's data
Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.
- School directory (enrollment, grades, staff, contact)
- NCES Private School Universe Survey (PSS) · SY 2021–22 · Low confidence
- Vintage not available. Do not use this measure alone.
- MySchoolScout rating and rank
- MySchoolScout ranking model · Low confidence
- Vintage not available. Do not use this measure alone.
- Available for part of the eligible units; results may not represent the full area.
- Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
- Math proficiency
- State department of education · 2025 FORWARD · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: 2025 FORWARD. A newer release may be available.
- Derived from source records rather than read directly from one field.
- Reading/ELA proficiency
- State department of education · 2025 FORWARD · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: 2025 FORWARD. A newer release may be available.
- Derived from source records rather than read directly from one field.
- Neighborhood (income, housing, education)
- U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
- Older source: ACS 2019–2023 5-year estimates. Use as historical context.
- Reported for the ZCTA for ZIP 53130; this does not measure the attendance area.
Evidence periods: Rating mixed/unknown input periods; assessments 2025 FORWARD; directory SY 2021–22
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