Excellent
#22 of 2,105 schools in WI
Top 1% in state
Mill Valley Elementary
Elementary School · Muskego-norway School District · Muskego, WI
A Muskego-norway School District elementary school where students score 15 points above what's typical for similar communities.
W191S6445 Hillendale Dr, Muskego, WI 53150
- Math 79% vs WI 54% (2025)
- Reading 76% vs WI 51% (2025)
- 12.6:1 student-teacher ratio
Academics
Full Profile · 3/3 metricsView breakdown
View breakdown
View breakdown
Students at Mill Valley Elementary score 77% proficient, which is above what's typical for similar communities (expected: 63%).
2025 FORWARD proficiency
Most recent published year. School vs. WI average.
Trend
↓ DecliningProficiency has fallen 6 points since 2020, to 77% in 2025, across a 17-year record (2009–2025).
Show all 15 years
Multi-year averages used by the rating model: math 82% (multi-year average, 2009-2025) · reading/ELA 75% (multi-year average, 2009-2025)
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Based on 32 test records from WI state assessments and EdFacts (NCES).
Equity & diversity
Shown separately, not included in the overall scoreFree/reduced lunch
15.4%
Students qualifying for federal meal assistance
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 Mill Valley Elementary 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 17Car-Dependent
- Bike 27Somewhat Bikeable
- City Safety: High1,544/100K
Powered by
FBI Uniform Crime Reporting · 2024 · city context (Muskego), 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
$113,125
Median home value
$390,500
Median rent
$1,230/mo
College educated
44.3%
Homeownership
86.5%
Poverty rate
3.7%
ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 53150; this is area context, not an attendance boundary.
Compare nearby
Nearby same-level schools
4 from a 5-mile search; district fallback available
| School | Score | Grades | Distance | Enrollment | Compare |
|---|---|---|---|---|---|
| Bay Lane ElementaryEnrollment path unverified | 8.9 | PK–4 | 2.3 mi | 904 | Compare → |
| Ronald Reagan ElementaryEnrollment path unverified | 8.5 | PK–6 | 3.0 mi | 677 | Compare → |
| St Pauls Lutheran SchoolPrivate · tuition | 4.5private | K–8 | 3.2 mi | 228 | Compare → |
| Elmwood ElementaryEnrollment path unverified | 7.8 | PK–6 | 3.4 mi | 554 | Compare → |
Distance is proximity only; it is not attendance eligibility.
Enrollment path unverified: Potential public school; its attendance or application path has not been classified.
Private · tuition: Potential private option; tuition and admission requirements have not been verified.
Public and private scores come from different models and are shown side by side, not blended into one ranking.
Muskego-norway School District
- Schools in district
- 6
- Rank in district
- #1 of 6
- District spending per student
- $14,038NCES F-33 · FY 2023 · This annual source is three years behind the current year.
- District child poverty rate
- 2.5%Census SAIPE · 2024
Mill Valley Elementary is listed in Muskego-Norway School District; a district label does not verify attendance for an address.
About Mill Valley Elementary
Mill Valley Elementary is a public elementary school in Muskego, WI, part of Muskego-norway School District, serving approximately 428 students in grades Pre-K-4th with a 12.6:1 student-teacher ratio. It holds a MySchoolScout rating of 9.4 out of 10 and ranks #22 of 2,105 schools in WI. State assessment records show 82% math proficiency (multi-year average, 2009-2025) and 75% reading/ELA proficiency (multi-year average, 2009-2025).
Frequently asked questions
Common questions about Mill Valley Elementary
What grades does Mill Valley Elementary serve?
Mill Valley Elementary serves students in grades Pre-K through 4th.
How many students attend Mill Valley Elementary?
Mill Valley Elementary has an enrollment of approximately 428 students.
What is the student-teacher ratio at Mill Valley Elementary?
The student-teacher ratio at Mill Valley Elementary is 12.6:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Mill Valley Elementary rank in WI?
Mill Valley Elementary ranks #22 of 2,105 schools in WI.
What is Mill Valley Elementary's MySchoolScout rating?
Mill Valley Elementary has a current MySchoolScout rating of 9.4 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 Mill Valley Elementary?
Based on loaded state assessment records, Mill Valley Elementary has 82% math proficiency (multi-year average, 2009-2025) and 75% reading/ELA proficiency (multi-year average, 2009-2025).
Is Mill Valley Elementary a charter school?
No, Mill Valley Elementary is not a charter school. It is a traditional public school operated by the local school district.
Is Mill Valley Elementary a Title I school?
No, Mill Valley Elementary is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Mill Valley Elementary?
15.4% of students at Mill Valley Elementary qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
School factsNCES Common Core of Data (CCD) (SY 2023–24)
- Grades
- Pre-K – 4th
- Enrollment
- 428
- Student-Teacher Ratio
- 12.6:1
- Teachers (FTE)
- 34
- Type
- regular
- Setting
- Large Suburb
- County
- Waukesha County
- Chronic Absenteeism (SY 2022-23)
- 6.1%
- Phone
- (262) 971-1830
- Area population (ZIP 53150)
- 26,142
- Area average commute
- 23.3 min
- Area median age
- 46.1
Official sources & links
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 Common Core of Data (CCD) · SY 2023–24 · Medium confidence
- Source period: SY 2023–24. A newer release may be available.
- MySchoolScout rating and rank
- MySchoolScout ranking model · Low confidence
- Vintage not available. Do not use this measure alone.
- 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.
- Student progress (growth)
- NCES EdFacts · Mixed source periods · 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 the fitted year-over-year slope of proficiency from multi-year assessment records.
- 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 53150; this does not measure the attendance area.
Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2025; directory SY 2023–24
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