Enrollment
193
Iowa · 2024-25 NCES data
High school (grades 9-12) · Lake Mills, IA
Lake Mills Senior High School
Federal NCES profile for Lake Mills Senior High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 36/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 191611000965
👥 S:T ratio 57
📚 AP courses 10
🌟 Gifted program 70
📋 Attendance 8
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Lake Mills Senior High School earns 36/100 on the Resource Investment Index, with class sizes smaller than 89% of Iowa schools.
- #2 of 3
- public schools in Lake Mills · Resource Index
- 36
- Resource Index · Typical
- 10.7:1
- small classes for Iowa
- 24.3%
- free-lunch eligible
Lake Mills Senior High School has class sizes smaller than 89% of Iowa schools. Computed live against every Iowa school reporting to NCES.
By Resource Investment Index, Lake Mills Senior High School ranks #2 of 3 public schools in Lake Mills, IA.
School address
District: Lake Mills Comm School District · Iowa
NCES ID 191611000965 Verify on NCES CCD record →
Teachers (FTE)
18.0
Federal CCD staff survey
Students per teacher
10.7:1
vs 14.8:1 Iowa avg
-28% vs state
Free-lunch eligible
24.3%
vs 36.4% Iowa avg
-33% vs state
Student-teacher ratio in context
How Lake Mills Senior High School compares with Iowa and U.S. medians
What stands out at Lake Mills Senior High School
Lake Mills Senior High School is a mid-sized high school in Lake Mills, Iowa, enrolling 193 students.
Classes run notably small here: at 10.7:1, Lake Mills Senior High School is leaner than roughly 89% of Iowa schools and 28% under the state's 14.8:1 norm, more adult attention per pupil than most peers.
Economic need runs somewhat below the state's typical profile, with 24.3% of students eligible for free meals.
Enrollment of 193 puts it in the smaller third of Iowa schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 1,322 scored Iowa schools.
Among 292 similarly sized, similarly resourced-need Iowa schools statewide, it ranks #238, in the lower tier once campus size and economic need are matched.
Its student body is predominantly White (81% of enrollment) (diversity index 33/100).
No Advanced Placement courses are reported for this campus in the federal data.
Chronic absenteeism is elevated: 36.8% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Lake Mills Comm School District also operates Lake Mills Elementary School (303 students) and Lake Mills Middle School (146 students) alongside Lake Mills Senior High School.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Lake Mills Senior High School compares
Lake Mills Senior High School on the metrics families compare, against Iowa and U.S. means.
| Metric | This school | vs Iowa | Iowa avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 10.7:1 | ▼ 28% | 14.8:1 | 15.7:1 |
| Free-lunch eligible | 24.3% | ▼ 33% | 36.4% | 51.7% |
| Enrollment | 193 | top 78% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
10.7:1
Leaner classes than 85% of US schools, among the more generously staffed nationally.
193
Bigger than 19% of US schools by enrollment, a small campus.
Equity indicators (what these measure)
Economic need
24.3%
free-lunch eligible
- 33% below the Iowa average of 36.4%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
10.7:1
students per teacher
- 28% below state mean
Top 11% in Iowa - lower ratio than 89% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
36.8%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$12,137
per pupil, district-wide
- below Iowa avg of $12,854
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
17
in-school suspensions + 0 out-of-school
Suspension rate: 8.8 per 100 students. Combined in-school and out-of-school rate: 8.8 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
White 80.8%
Hispanic or Latino 14.5%
Two or More 3.6%
African American 1.0%
Largest group: White at 80.8% of enrollment.
Student-body diversity index 32.5/100
Simpson diversity index - at 32.5, Lake Mills Senior High School is about as mixed as the Iowa school average of 33.8.
Programs
AP program Not offered
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Lake Mills Comm School District, which includes Lake Mills Senior High School.
$12,137
Per student
-6%
vs Iowa
Avg $12,854
-27%
vs U.S.
Avg $16,593
Revenue mix
Local 48.6%
State 42.6%
Federal 8.8%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Lake Mills Senior High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Lake Mills Elementary School | Larger | Similar economic need | Higher S:T ratio |
| Lake Mills Middle School | Similar size | Similar economic need | Higher S:T ratio |
Comparisons are relative to Lake Mills Senior High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 303
- Students per teacher
- 14.4:1
- Resource Index
- 51/100
- Enrollment
- 146
- Students per teacher
- 18.3:1
- Resource Index
- 42/100
Similar high schools statewide
Matched by enrollment size and by staffing ratio across all of Iowa, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~193 students)
Next steps
Verify locally before acting on Lake Mills Senior High School's federal record.
- Compare Lake Mills Senior High School against another school. Compare schools
- Lake Mills Comm School District's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Lake Mills Senior High School
How many students attend Lake Mills Senior High School?
Lake Mills Senior High School has 193 students enrolled. It is a high school in Lake Mills, IA.
What is the student-teacher ratio at Lake Mills Senior High School?
The student-teacher ratio at Lake Mills Senior High School is 10.7:1, which is 28% lower than the Iowa average of 14.8:1 and 32% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Lake Mills Senior High School?
24.3% of students at Lake Mills Senior High School are eligible for free lunch, compared to the Iowa average of 36.4%.
What is the racial and ethnic makeup of Lake Mills Senior High School?
The largest demographic group at Lake Mills Senior High School is White at 80.8% of enrollment, in Lake Mills, IA.
What is the Resource Investment Index for Lake Mills Senior High School?
Lake Mills Senior High School has a Resource Investment Index of 36/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Lake Mills Senior High School rank among public schools in Lake Mills?
By Resource Investment Index, Lake Mills Senior High School ranks #2 of 3 public schools in Lake Mills, IA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Lake Mills on the city page.
Is Lake Mills Senior High School a good school?
Lake Mills Senior High School earns 36/100 on the Resource Investment Index, with class sizes smaller than 89% of Iowa schools. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Lake Mills Comm School District?
Besides Lake Mills Senior High School, Lake Mills Comm School District also operates Lake Mills Elementary School (303 students) and Lake Mills Middle School (146 students). See the Lake Mills Comm School District district page for the complete list.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.