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What tradition at Mill Valley Elementary should never be changed?
Community prompt from u/allk12. Replies below.
Enrollment
417
Elementary
DISTRICT 540 · STATE 323
SCHOOL COMMUNITY·MUSKEGO-NORWAY SCHOOL DISTRICT·NCES 551017001333
Mill Valley Elementary
W191S6445 Hillendale Dr, Muskego, WI 53150 · (262) 971-1830 · Waukesha County
GRADES KG–04ELEMENTARY21-SUBURBREGULAR SCHOOL417 STUDENTS
A+
allk12 Grade
Scored higher than 96% of Wisconsin public elementary schools
- A+Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- ABeats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- ·Three-year trend Not available for this school, so the grade uses the other parts.
Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Wisconsin public elementary schools
Student : Teacher
13.0:1
32 FTE teachers
DISTRICT 13.7:1 · STATE 14.7:1
Free / Reduced Lunch
13%
55 students
DISTRICT 11% · STATE 42%
Community
1
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Kindergarten | 74 | 18% |
| Grade 1 | 69 | 17% |
| Grade 2 | 87 | 21% |
| Grade 3 | 93 | 22% |
| Grade 4 | 94 | 23% |
This year's kindergarten class (74) is 21% smaller than its 4th grade class (94).
Student demographics
29%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 26% · STATE 54% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Test scores
Forward Exam 2024-25 . % Meeting or AdvancedEnglish Language Arts
76.3%
WI avg 53.1% . -7.9pp since 2023
Math
78.5%
WI avg 54.8% . -10.6pp since 2023
What this means: On the Forward Exam, Wisconsin's statewide test, about 76 of every 100 students at this school read and write at grade level and about 79 of 100 do math at grade level. Across all Wisconsin schools, those numbers are about 53 and 55. Reading and writing scores are down about 8 points since 2023, while math scores are down about 11 points.
Forward Exam results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 76.3% | 78.5% |
| 2023-24 | 84.2% | 89.1% |
% Meeting or Advanced, all students and all tested grades.
Source: Forward Exam. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
82.5%
composite math + reading, all grades
Predicted
69.5%
based on WI schools with similar FRL share
Beats by
+12.9pp
above demographic expectation
What this means: About 82% of students here test proficient in math and reading, compared with the roughly 70% typical for Wisconsin schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Wisconsin's top nor bottom 10%.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
Schools most like Mill Valley Elementary
Mill Valley Elementary's state test result (82.5% proficient) is higher than 4 of the 4 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Mill Valley Elementary this school | 417 | 13.2% | 82.5% |
| Raymond Elementary Franksville | 385 | 13.8% | 65.8% |
| Rolling Hills Elementary Mukwonago | 455 | 12.7% | 80.3% |
| North Elementary Hartland | 405 | 15.6% | N/A |
| Addison Elementary Hartford | 441 | 12.7% | 70.6% |
| Big Bend Elementary Big Bend | 455 | 11.9% | 78.4% |
Matched among Wisconsin elementary schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where Mill Valley Elementary ranks
Among elementary schools| Measure | This school | In Wisconsin | In Waukesha County |
|---|---|---|---|
| State test proficiency ranked highest first | 82.5% | #23 of 982 | #8 of 56 |
| Math proficiency ranked highest first | 78.5% | #79 of 992 ▼ 70 | #22 of 56 ▼ 20 |
| Reading proficiency ranked highest first | 76.3% | #64 of 992 ▼ 51 | #21 of 56 ▼ 17 |
| Enrollment ranked largest first | 417 | #309 of 1,157 | #33 of 65 |
| Students per teacher ranked fewest first | 13.0:1 | #424 of 901 | #15 of 60 |
| Diversity index ranked most diverse first | 29.1% | #582 of 901 | #35 of 60 |
| Free and reduced lunch ranked highest share first | 13.2% | #976 of 1,064 | #31 of 63 |
| Enrollment change since 2017-18 ranked fastest growth first | +11.8% | #87 of 240 | #13 of 28 |
Ranked against other public elementary schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
417
-78 (-16%) vs 2020
+83% since 1990-91, when it was 228
Student : Teacher
13.0:1
was 16.5:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 417 | 32.1 | 13.0:1 | 13% (55) |
| 2023-24 | 428 | 34.1 | 12.6:1 | 15% (66) |
| 2022-23 | 448 | 34.8 | 12.9:1 | 13% (57) |
| 2020-21 | 495 | 30 | 16.5:1 | 13% (63) |
| 2017-18 | 373 | 23.1 | 16.1:1 | 9% (33) |
| 2015-16 | 335 | 20 | 16.8:1 | 13% (43) |
| 2010-11 | 366 | 19 | 19.3:1 | 10% (35) |
| 2000-01 | 404 | 20 | 20.2:1 | 4% (16) |
| 1990-91 | 228 | 14 | 16.3:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Mill Valley Elementary.
Since 2017-18: students up 12% (373 to 417); teachers up 39% (23.1 to 32.1).
About Mill Valley Elementary
Mill Valley Elementary is a medium-sized elementary school found in Muskego, Wisconsin. Grades offered run from kindergarten through 4, with 417 students enrolled. For comparison, elementary schools in Wisconsin average about 323 students.
Mill Valley Elementary is in Muskego-Norway School District, a district with 4,602 students across 6 schools.
At Mill Valley Elementary, White students make up 83% of the student body. It is also 10% Hispanic and 5% multiracial. That is close to the 87% White share among all Waukesha County residents. The chance that two students picked at random at Mill Valley Elementary belong to different racial or ethnic groups, known as the diversity index, is 29%.
Mill Valley Elementary operates with 32.1 full-time-equivalent teachers, a ratio of about 13.0:1. That ratio is under the 14.7:1 average for elementary schools in Wisconsin. Mill Valley Elementary reports 13% of students eligible for free or reduced-price meals.
The allk12 Grade for Mill Valley Elementary is A+. Compared with Wisconsin public elementary schools, the school scored higher than 96% on a mix of test scores, poverty-adjusted results, and recent trend.
Mill Valley Elementary sits between the top and bottom 10% of Wisconsin schools on BeatsExpectations, with an actual average proficiency rate on state tests of 82.5% and a predicted 69.5%.
Census Bureau estimates for Waukesha County show that median household income is about $106,076, 49% of adults hold a bachelor's degree or higher, and about 3% of residents live below the federal poverty line. A total of 113 public schools operate in Waukesha County, serving about 60,032 students.
Bay Lane Elementary is located about 2.3 miles from Mill Valley Elementary. Within five miles are at least 8 other public schools. Its average proficiency rate of 82.5% is above the 72.0% average for nearby schools.
Mill Valley Elementary falls in the Suburb: Large locale category, used for schools in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.
The student count in 2024-25 was 417, 16% below the 495 of 2020-21. The number of students per teacher fell from 16.5 to 13.0 over 4 years.
Posts about school safety, transportation, and start times are welcome on this page. Questions from prospective families are welcome too.
Waukesha County at a glance
View full county profilePopulation
411,762
Census ACS
Median income
$106,076
Household, ACS
Bachelor's+
49%
Adults 25+
Poverty rate
3%
Below federal line
Schools in county
113
60,032 students
Quick facts
Related schools
Other schools in Muskego-Norway School District
- Muskego HighHigh · 1,634 students
- Bay Lane ElementaryElementary · 912 students
- Muskego Lakes MiddleMiddle · 676 students
- Lake Denoon MiddleMiddle · 673 students
- Lakeview ElementaryElementary · 290 students
Other schools in Muskego
- Muskego HighHigh · 1,634 students
- Bay Lane ElementaryElementary · 912 students
- Muskego Lakes MiddleMiddle · 676 students
- Lake Denoon MiddleMiddle · 673 students
Other Mill Valley Elementary schools
One other US public school is named Mill Valley Elementary. Mill Valley Elementary is the largest of the 2.
- Mill Valley Elementary SchoolMarysville, OH · 403 students
Nearby schools
- Bay Lane Elementary2.3 mi · 912
- Muskego High3.0 mi · 1,634
- Ronald Reagan Elementary3.0 mi · 669
- Elmwood Elementary3.4 mi · 567
- Big Bend Elementary3.9 mi · 455
- Eisenhower Middle/High4.1 mi · 1,095
Frequently asked questions
About Mill Valley ElementaryHow large is Mill Valley Elementary?
Mill Valley Elementary enrolls approximately 417 students in grades KG-04.
Is Mill Valley Elementary an elementary, middle, or high school?
Mill Valley Elementary is an elementary school covering grades KG-04.
How many teachers does Mill Valley Elementary have?
Mill Valley Elementary employs 32 FTE teachers, for a student-to-teacher ratio of 13.0:1.
What is the racial breakdown of students at Mill Valley Elementary?
At Mill Valley Elementary, the student body is approximately 83% White, 10% Hispanic, 1% Black, 1% Asian, 5% Two or more.
Who oversees Mill Valley Elementary?
Mill Valley Elementary is overseen by Muskego-Norway School District in Waukesha County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.