Average
#1266 of 2,102 schools in WI
Mill Valley Elementary
Elementary School · Muskego-Norway School District
W191S6445 Hillendale Dr, Muskego, WI 53150
Enrollment
428
Student-Teacher
12.6:1
Score
6.1
Grades
Pre-K – 4th
Enrollment
428
Student-Teacher
12.6:1
Score
6.1
Grades
Pre-K – 4th
Updated
2022-23
Updated 2022-23
How this school compares
In Muskego
#5 of 5
public schools
Wisconsin elementary schools
#730 of 1,099
In district
#6 of 6
Muskego-Norway School District
Academic performance
10.0 / 10
Exceptional
About Mill Valley Elementary
Mill Valley Elementary serves 428 students in prekindergarten through fourth grade in Muskego, Wisconsin, with a favorable student-teacher ratio of 12.6:1 supported by 34 full-time equivalent teachers. This regular public school demonstrates strong academic performance, earning a MySchoolScout rating of 7.8 out of 10 and ranking #199 out of 2,112 Wisconsin elementary schools, placing it in the 91st percentile statewide. The school excels academically with impressive proficiency rates of 78% in English Language Arts and reading, and an outstanding 83% in mathematics across all grade levels, contributing to its perfect 10.0 academic score.
These results reflect the school's commitment to providing quality early elementary education during these foundational years. Mill Valley Elementary draws families from a well-established community where the median household income reaches $109,887 and 42% of residents hold bachelor's degrees or higher. The neighborhood's low poverty rate of 2.9% and median home values of $370,200 indicate a stable, education-focused environment that supports student learning.
Located on Hillendale Drive in Waukesha County, Mill Valley Elementary sits within Muskego's large suburban setting, serving a community of over 26,000 residents who value educational excellence and family-oriented living.
Score Breakdown
Full Profile · 3/3 metricsView breakdown
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Data not available for this school
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Mill Valley Elementary — Students at Mill Valley Elementary score 83% proficient, which is above what's typical for similar communities (expected: 51%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
15.4%
Students qualifying for federal meal assistance
Test Scores WI FORWARD (2024-25)
Based on 8 test records from WI state assessments. About our data
Proficiency Trend
↓ DecliningAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 3.5/10.
How Mill Valley Elementary Compares
See how Mill Valley Elementary performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has remained stable from 87% (2019) to 89% (2021). Reading/ELA proficiency has declined from 82% (2019) to 77% (2021).
Location
W191S6445 Hillendale Dr, Muskego, WI 53150
Nearby Alternatives
Families considering Mill Valley Elementary may also want to explore other elementary schools in the area. Big Bend Elementary (rated 8.1/10, 3.9 miles away, in nearby Big Bend), which scores notably higher. Another option is Bay Lane Elementary (rated 7.9/10, 2.3 miles away), which scores notably higher. Additionally, Ronald Reagan Elementary (rated 7.6/10, 3.0 miles away, in nearby New Berlin), which scores notably higher. For more schools in Muskego, see our Muskego schools guide .
Nearby Schools
20 within 4.8 mi| School | Distance | Rating |
|---|---|---|
| Bay Lane Elementary Muskego | 2.3 mi | 7.9 |
| Muskego High Muskego | 3.0 mi | 7.0 |
| Ronald Reagan Elementary New Berlin | 3.0 mi | 7.6 |
| STAR OF BETHLEHEM LUTHERAN SCHOOL New Berlin | 3.8 mi | 4.0 |
| HOLY APOSTLES SCHOOL New Berlin | 3.9 mi | 6.0 |
| New Berlin West Middle/High New Berlin | 4.3 mi | 7.9 |
| ST PAULS LUTHERAN SCHOOL Muskego | 3.2 mi | 4.5 |
| ST JOSEPH ELEMENTARY SCHOOL Big Bend | 3.9 mi | 6.5 |
| Elmwood Elementary New Berlin | 3.4 mi | 6.6 |
| Big Bend Elementary Big Bend | 3.9 mi | 8.1 |
| Poplar Creek Elementary New Berlin | 4.7 mi | 7.3 |
| CHRIST LUTHERAN SCHOOL Big Bend | 4.1 mi | 5.2 |
| Eisenhower Middle/High New Berlin | 4.1 mi | 7.9 |
| Lake Denoon Middle Muskego | 5.3 mi | 7.5 |
| HERITAGE CHRISTIAN SCHOOLS New Berlin | 4.9 mi | 8.2 |
| Muskego Lakes Middle Muskego | 4.4 mi | 8.0 |
| Heyer Elementary Waukesha | 5.2 mi | 7.0 |
| HALES CORNERS LUTHERAN SCHOOL Hales Corners | 4.4 mi | 5.6 |
| MESSIAH LUTHERAN SCHOOL Hales Corners | 4.8 mi | — |
| Country Dale Elementary Franklin | 4.8 mi | 7.0 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 53150 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$113,125
Median Home Value
$390,500
Median Rent
$1,230/mo
Population
26,142
College Educated
44.3%
Homeownership
86.5%
Avg Commute
23.3 min
Poverty Rate
3.7%
Median Age
46.1
Community Profile
The community surrounding Mill Valley Elementary has a median household income of $113,125. It is a well-educated community where 44% of adults hold a bachelor's degree or higher. The median home value in the area is $390,500, with a median rent of $1,230/month. The local poverty rate of 3.7% is relatively low. The average commute for residents is 23 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 |
|---|---|
| Black Creek Elementary Black Creek, WI | 6.1 |
| Clement Avenue Elementary Milwaukee, WI | 6.1 |
| Creekside Elementary Sun Prairie, WI | 6.1 |
| Danz Elementary Green Bay, WI | 6.1 |
| Grant Elementary Marshfield, WI | 6.1 |
| Hillcrest Elementary Oneida, WI | 6.1 |
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 is ranked #1266 out of 2,102 schools in WI.
What is Mill Valley Elementary's MySchoolScout rating?
Mill Valley Elementary has a composite rating of 6.1 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.
What are the test scores at Mill Valley Elementary?
Based on the most recent state assessment data, Mill Valley Elementary has 83.2% math proficiency and 77.9% reading/ELA proficiency.
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.
Explore More Schools
Neighborhood Context
- City Safety
- High (1,544/100K)
FBI UCR 2024. City-level (Muskego). Data >1 year old.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- Pre-K – 4th
- Enrollment
- 428
- Student-Teacher Ratio
- 12.6:1
- Teachers (FTE)
- 34
- Free/Reduced Lunch
- 15.4%
- Type
- regular
- Setting
- Large Suburb
- County
- Waukesha County
- Phone
- (262) 971-1830
- Data Year
- 2023–2024
Resources & Links
District
Muskego-Norway School District- District Enrollment
- 4,659
- Schools in District
- 6
- Per-Pupil Spending
- $14,038
- District Rank
- #6 of 6
Other Schools in This District
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 methodologyRelated reading
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