Mill Valley Elementary School

W191s6445 Hillendale Dr
Muskego, WI 53150
(School attendance zone shown in map)
10/
10
Top 1%
Serving 428 students in grades Prekindergarten-4, Mill Valley Elementary School ranks in the top 1% of all schools in Wisconsin for overall test scores (math proficiency is top 1%, and reading proficiency is top 1%).
The percentage of students achieving proficiency in math is 92% (which is higher than the Wisconsin state average of 39%). The percentage of students achieving proficiency in reading/language arts is 76% (which is higher than the Wisconsin state average of 38%).
The student:teacher ratio of 13:1 is equal to the Wisconsin state level of 13:1.
Minority enrollment is 16% of the student body (majority Hispanic), which is lower than the Wisconsin state average of 33% (majority Hispanic).

Quick Stats (2025)

  • Grades: Prekindergarten-4
  • Enrollment: 428 students
  • Student:Teacher Ratio: 13:1
  • Minority Enrollment: 16%
  • : Top 1% in WI
  • : 92% (Top 1%)
  • : 76% (Top 1%)
  • : 90-94% (Top 1%)
  • Source: National Center for Education Statistics (NCES), WI Dept. of Education

Top Rankings

Mill Valley Elementary School ranks among the top 20% of public schools in Wisconsin for:

School Overview

Mill Valley Elementary School's student population of 428 students has declined by 25% over five school years.
The teacher population of 34 teachers has declined by 5% over five school years.
Grades Offered
Grades Prekindergarten-4
(offers virtual instruction)
Total Students
428 students
This chart displays total students of Mill Valley Elementary School by year, with the latest 2022-23 school year data.
Gender %
This chart displays gender of Mill Valley Elementary School
Total Classroom Teachers
34 teachers
This chart displays the total teachers of Mill Valley Elementary School by year, with the latest 2022-23 school year data.
Students by Grade
This chart displays the students of Mill Valley Elementary School by grade.

School Rankings

Mill Valley Elementary School ranks within the top 1% of all 1,991 schools in Wisconsin (based off of combined math and reading proficiency testing data).
The diversity score of Mill Valley Elementary School is 0.28, which is less than the diversity score at state average of 0.53. The school's diversity has stayed relatively flat over five school years.
This School
State Level (WI)
#5 out of 1991 schools
(Top 1%)
This chart displays the overall school rank of Mill Valley Elementary School, with the latest 2021-22 school year data.
92%
39%
This chart displays the percentage of students that scored at or above 'proficient' levels in Math of Mill Valley Elementary School and the percentage of public school students that scored at or above 'proficient' levels in Math of public schools in Wisconsin by year, with the latest 2021-22 school year data.
76%
38%
This chart displays the percentage of students that scored at or above 'proficient' levels in Reading/Language Arts of Mill Valley Elementary School and the percentage of public school students that scored at or above 'proficient' levels in Reading/Language Arts of Wisconsin by year, with the latest 2021-22 school year data.
90-94%
44%
This chart displays the percentage of students that scored at or above 'proficient' levels in Science of Mill Valley Elementary School and the percentage of public school students that scored at or above 'proficient' levels in Science of public schools in Wisconsin by year, with the latest 2021-22 school year data.
Student : Teacher Ratio
13:1
13:1
This chart displays the student teacher ratio of Mill Valley Elementary School and the public school average student teacher ratio of Wisconsin by year, with the latest 2022-23 school year data.
American Indian
n/a
1%
Asian
n/a
4%
This chart displays the percentage of Asian students in Mill Valley Elementary School and the percentage of Asian public school students in Wisconsin by year, with the latest 2020-21 school year data.
Hispanic
10%
14%
This chart displays the percentage of Hispanic students in Mill Valley Elementary School and the percentage of Hispanic public school students in Wisconsin by year, with the latest 2022-23 school year data.
Black
n/a
9%
This chart displays the percentage of Black students in Mill Valley Elementary School and the percentage of Black public school students in Wisconsin by year, with the latest 2014-15 school year data.
White
84%
67%
This chart displays the percentage of White students in Mill Valley Elementary School and the percentage of White public school students in Wisconsin by year, with the latest 2022-23 school year data.
Hawaiian
n/a
n/a
Two or more races
6%
5%
This chart displays the percentage of students of two or more races in Mill Valley Elementary School and the percentage of public school students of two or more races in Wisconsin by year, with the latest 2022-23 school year data.
All Ethnic Groups
This chart displays the percentage breakdown of students of all ethnic groups in Mill Valley Elementary School.
This chart displays the percentage breakdown of public school students of all ethnic groups in Wisconsin.
0.28
This chart displays the diversity score of Mill Valley Elementary School and the public school average diversity score of Wisconsin by year, with the latest 2022-23 school year data.
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
12%
37%
This chart displays the percentage of students who is eligible for free lunch in Mill Valley Elementary School and the percentage of public school students who is eligible for free lunch in Wisconsin by year, with the latest 2022-23 school year data.
Eligible for Reduced Lunch
3%
4%
This chart displays the percentage of students who is eligible for reduced lunch in Mill Valley Elementary School and the percentage of public school students who is eligible for reduced lunch in Wisconsin by year, with the latest 2022-23 school year data.
School District Name
Source: National Center for Education Statistics (NCES), WI Dept. of Education
Profile last updated: 02/09/2025

Frequently Asked Questions

What is Mill Valley Elementary School's ranking?
Mill Valley Elementary School is ranked #5 out of 1,991 schools, which ranks it among the top 1% of public schools in Wisconsin.
What schools are Mill Valley Elementary School often compared to?
Mill Valley Elementary Schoolis often viewed alongside schools like Marcy Elementary School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
92% of students have achieved math proficiency (compared to the 39% WI state average), while 76% of students have achieved reading proficiency (compared to the 38% WI state average).
How many students attend Mill Valley Elementary School?
428 students attend Mill Valley Elementary School.
What is the racial composition of the student body?
84% of Mill Valley Elementary School students are White, 10% of students are Hispanic, and 6% of students are Two or more races.
What is the student:teacher ratio of Mill Valley Elementary School?
Mill Valley Elementary School has a student ration of 13:1, which is equal to the Wisconsin state average of 13:1.
What grades does Mill Valley Elementary School offer ?
Mill Valley Elementary School offers enrollment in grades Prekindergarten-4 (offers virtual instruction).
What school district is Mill Valley Elementary School part of?
Mill Valley Elementary School is part of Muskego-Norway School District.

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Quick Stats (2025)

  • Grades: Prekindergarten-4
  • Enrollment: 428 students
  • Student:Teacher Ratio: 13:1
  • Minority Enrollment: 16%
  • : Top 1%
  • : 92% (Top 1%)
  • : 76% (Top 1%)
  • : 90-94% (Top 1%)
  • Source: National Center for Education Statistics (NCES), WI Dept. of Education

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