Lake Mills Senior High School
School pathway
Test scores
ISASP 2024-25 . % ProficientWhat this means: On the ISASP, Iowa's statewide test, about 83 of every 100 students at this school read and write at grade level and about 74 of 100 do math at grade level. Across all Iowa schools, those numbers are about 74 and 71. Reading and writing scores are down about 3 points since 2023, while math scores are down about 6 points.
BeatsExpectations
Demographically-adjusted score · methodologyWhat this means: About 80% of students here test proficient in math and reading, compared with the roughly 74% typical for Iowa 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 Iowa's top nor bottom 10%.
7-year change
SY 2017-18 vs SY 2024-25About Lake Mills Senior High School
Lake Mills Senior High School, an intimate 9-12 campus in Lake Mills, Iowa, operated by Lake Mills Comm School District, educates 193 students, covering grades 9 through 12. Compared to the state average of about 468 students per school, that is 59% leaner than typical.
Lake Mills Senior High School is one of 3 schools operated by Lake Mills Comm School District, a district that instructs 642 students overall.
On demographics, Lake Mills Senior High School logs that the student body is overwhelmingly White (81%); the rest looks like 15% Hispanic, 4% multiracial. The wider county runs roughly 89% White, putting the school's mix visibly less White than the area baseline.
On the income-and-resources front, Staff filings list 19 full-time-equivalent teachers, which works out to roughly 10.3:1 students per teacher. That figure is tighter than the state norm's 17.3:1 average. About 35% of enrolled students meet the income threshold for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator.
With demographic context factored in, Lake Mills Senior High School performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 74.3%, the actual is 79.7%, a residual of +5.4 points.
Around the school, the surrounding county (Winnebago County) records that median household income runs about $67,642, 26% of adults hold a bachelor's degree or higher, and the poverty rate sits near 9%. Across Winnebago County's 9 public schools (combined enrollment of about 2,190 students), Lake Mills Senior High School is one campus in the mix.
Nearest neighbor: Lake Mills Middle School, around 0.0 miles off. Counting just inside five miles, 2 other public schools cluster around Lake Mills Senior High School. Ranking that nearby cluster on reported proficiency puts Lake Mills Senior High School at 4th of 8; the average score across the group is 77.9%.
Geographically, the school is in a low-density area.
Trend over the last 7 years. Lake Mills Senior High School's enrollment has ticked down 7% since 2018, when it stood at 208 (now 193). Over the same period, the White share edged down from 91% to 81%.
In the discussion threads here, members of the Lake Mills Senior High School community share and discuss science fair prep, picture-day reminders, and bus-route questions. Anyone with firsthand experience at this school can post or comment.
Winnebago County at a glance
View full county profileQuick facts
Related schools
- Lake Mills Elementary SchoolElementary · 303 students
- Lake Mills Middle SchoolMiddle · 146 students
- Lake Mills Elementary SchoolElementary · 303 students
- Lake Mills Middle SchoolMiddle · 146 students
- Lake Mills Middle School0.0 mi · 146
- Lake Mills Elementary School0.0 mi · 303
- Forest City Middle School11.9 mi · 330
- Forest City High School11.9 mi · 304
- Forest City Elementary School12.1 mi · 448
- Northwood-Kensett Middle/High School15.7 mi · 265