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SCHOOL COMMUNITY·LAKE MILLS AREA SCHOOL DISTRICT·NCES 550771000887

Lake Mills High

615 Catlin Dr, Lake Mills, WI 53551 · (920) 648-2355 · Jefferson County
GRADES 09–12HIGH32-TOWNREGULAR SCHOOL447 STUDENTS
Enrollment
447
High
DISTRICT 491 · STATE 475
Student : Teacher
13.8:1
33 FTE teachers
DISTRICT 13.5:1 · STATE 14.6:1
Free / Reduced Lunch
25%
113 students
DISTRICT 25% · STATE 42%
Community
1
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Grade 9
99
Grade 10
103
Grade 11
124
Grade 12
121
Student demographics
White
37484%
DISTRICT 84% · STATE 65%
Hispanic
6013%
DISTRICT 11% · STATE 15%
Black
20%
DISTRICT 0% · STATE 9%
Asian
20%
DISTRICT 1% · STATE 4%
Two+
92%
DISTRICT 4% · STATE 6%
Student head counts by race/ethnicity from federal NCES enrollment data. Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
22450%
Female
22350%

Discussions

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BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
64.4%
composite math + reading, all grades
Predicted
62.1%
based on WI schools with similar FRL share
Beats by
+2.3pp
above demographic expectation
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
447
+15 (+3%) vs 2017
Student : Teacher
13.8:1
was 15.2:1
% White
84%
was 88%
% Hispanic
13%
was 6%
% Black
0%
was 1%
% Asian
0%
was 1%
Source: NCES Common Core of Data

About Lake Mills High

Lake Mills High is one of the mid-sized senior highs in Lake Mills, Wisconsin, part of Lake Mills Area School District, with 447 students on its rolls from grades 9 through 12.

Lake Mills Area School District runs 3 schools in total, collectively educating 1,473 students. Lake Mills High is one of those campuses.

Demographically, Lake Mills High lists that the student body is overwhelmingly White (84%). Beyond that, the school records 13% Hispanic, 2% multiracial.

Looking at the economic backdrop, Lake Mills High shows 33 full-time-equivalent teachers, putting the student-to-teacher ratio at about 13.8:1. That figure is tighter than the state norm's 14.6:1 average. Roughly 25% of students at Lake Mills High qualify for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal. That share is below Jefferson County's rate of about 35%.

With demographic context factored in, Lake Mills High sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 62.1%; this one delivers 64.4%.

In the broader community, ACS estimates for Jefferson County put median household income runs about $83,750, about 29% of the adult population holds a bachelor's degree or above, and the poverty rate sits near 5%. In all, Jefferson County runs 31 public schools (combined enrollment of about 9,194 students), of which Lake Mills High is one.

Lake Mills Middle is the nearest neighboring public school, about 0.8 miles from this campus. Counting just inside five miles, 2 other public schools cluster around Lake Mills High. Ranking that nearby cluster on reported proficiency puts Lake Mills High at 1st of 9; the average score across the group is 54.5%.

The school occupies a small-town site.

Trend over the last 7 years. Lake Mills High's enrollment has increased 3% since 2018, when it stood at 432 (now 447). Hispanic enrollment moved from 6% to 13% across the same window. Class-load math has tightened: from 15.2:1 in 2018 to 13.8:1 in 2025.

Within the allk12 community for this school, the feed for Lake Mills High typically covers classroom updates, athletics, and weather closures. The community welcomes input from current and former families.

Jefferson County at a glance

View full county profile
Population
86,003
Census ACS
Median income
$83,750
Household, ACS
Bachelor's+
29%
Adults 25+
Poverty rate
5%
Below federal line
Schools in county
31
9,194 students

Quick facts

School name
Lake Mills High
District
Lake Mills Area School District
Address
615 Catlin Dr, Lake Mills, WI 53551
Phone
(920) 648-2355
County
Jefferson County
Level
High
Grade range
09–12
Total enrollment
447
Teachers (FTE)
33
Student–teacher ratio
13.8:1
Free/Reduced lunch
113 (25%)
Locale
32-Town: Distant
NCES ID
550771000887
Charter school
No
Virtual school
No

Related schools

Other schools in Lake Mills Area School District
Other schools in Lake Mills
Nearby schools

Frequently asked questions

About Lake Mills High
How many students attend Lake Mills High?
Lake Mills High enrolls approximately 447 students in grades 09-12.
What grades does Lake Mills High serve?
Lake Mills High serves grades 09-12.
What is the student-teacher ratio at Lake Mills High?
The student-to-teacher ratio at Lake Mills High is approximately 13.8:1 (33 FTE teachers).
What is the racial breakdown of students at Lake Mills High?
At Lake Mills High, the student body is approximately 84% White, 13% Hispanic, 0% Black, 0% Asian, 2% Two or more.
Is Lake Mills High public or private?
Lake Mills High is a public K-12 school, overseen by Lake Mills Area School District.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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