Osage High School
School pathway
Test scores
ISASP 2024-25 . % ProficientWhat this means: On the ISASP, Iowa's statewide test, about 93 of every 100 students at this school read and write at grade level and about 78 of 100 do math at grade level. Across all Iowa schools, those numbers are about 74 and 71. Reading and writing scores have held steady since 2023, while math scores are up about 3 points.
BeatsExpectations
Demographically-adjusted score · methodologyWhat this means: About 84% of students here test proficient in math and reading, compared with the roughly 78% 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 Osage High School
Osage High School operates as a compact 9-12 campus in Osage, Iowa, overseen by Osage Comm School District. Current enrollment sits at 294 students spanning grades 9 through 12. That puts it 37% below the typical public school in Iowa, which averages around 468 students.
Osage High School is one of 3 schools operated by Osage Comm School District, a district that hosts 988 students overall.
On the student-mix side, Osage High School reports that nearly all students (92%) are White. The remainder comes out to 3% Hispanic, 3% multiracial. That mix tracks the wider county fairly closely.
Looking at the economic backdrop, Staff filings list 23 full-time-equivalent teachers, which works out to roughly 12.9:1 students per teacher. The state averages around 17.3:1, so this campus is tighter than the state norm typical. About 28% of enrolled students meet the income threshold for free or reduced-price lunch, often used as a Title I proxy.
On a demographically-adjusted basis, Osage High School performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 77.8%, the actual is 84.3%, a residual of +6.5 points.
Across the wider county, census data for Mitchell County shows median household earnings sit near $71,365, 25% of adults hold a bachelor's degree or higher, and roughly 7% of residents live below the federal poverty line. In all, Mitchell County runs 6 public schools (combined enrollment of about 1,631 students), of which Osage High School is one.
Nearest neighbor: Osage Middle School, around 0.0 miles off. 2 of the 8 nearest public schools sit inside a five-mile radius. Ranking that nearby cluster on reported proficiency puts Osage High School at 4th of 7; the average score across the group is 80.7%.
The campus sits in a rural setting.
Five-year trend. Looking back 7 years, enrollment at Osage High School has stayed largely flat, going from 287 students in 2018 to 294 in 2025. Class-load math has grew: from 11.4:1 in 2018 to 12.9:1 in 2025.
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Mitchell County at a glance
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Related schools
- Lincoln Elementary SchoolElementary · 405 students
- Osage Middle SchoolMiddle · 289 students
- Lincoln Elementary SchoolElementary · 405 students
- Osage Middle SchoolMiddle · 289 students
- Osage Middle School0.0 mi · 289
- Lincoln Elementary School0.6 mi · 405
- St Ansgar Elementary School8.6 mi · 345
- St Ansgar High School8.6 mi · 166
- St Ansgar Middle School8.6 mi · 132
- Central Springs Elementary School - Nora Springs13.3 mi · 145