Cotter Schools: Detailed Company Information & Corporate Profile
Summary
Cotter Schools, established in 1911 and headquartered in Winona, Minnesota, operates as an independent tertiary education institution serving the La Crosse–onalaska Metropolitan Area. With a staff of 200‑500 employees and annual revenue between $1 million and $10 million, the school offers a comprehensive boarding experience that blends rigorous academics with extensive extracurricular opportunities.
The curriculum emphasizes STEM disciplines alongside arts programs such as band, marching band, choir, and theater. Athletic teams compete in multiple sports, supported by dedicated coaches. Leadership includes Vice President of Advancement Mike Swenson, Activities Director Jenny Carlson, Campus Minister and Career Advisor Mike Hagarty, and Principal Kate Moll, among others.
| Cotter Schools Website | cotterschools.org |
| Social Links |   |
| Phone Number | 507-453-5000 |
| Industries | |
| Cotter Schools Headquarters Address | 1115 W Broadway St, Winona, Minnesota, 55987 US |
| Company Size | 200-500 employees |
| Specialities & Services | Boarding School, Private School, STEM, Arts, Academics, Athletics, Band, Marching Band, Choir, Theater |
| SIC Code | 8200 |
| DMA Code | La Crosse–onalaska Metropolitan Area |
| Founded | 1911 |
| Estimated Annual Revenue | $1 - 10M |
| Operating Status | Independent Company |
| Updated: | 2026-10-27 |
Estimated Website Traffic
The chart shows a decline in traffic to the cotterschools.org website. In September, traffic decreased to 12045, compared to 13176 in the previous month. The highest traffic in 2026 was recorded in May, reaching 14510 visits.
Workforce Turnover
Length of Employment
Cotter Schools's workforce includes employees across a wide range of tenure levels.
12% have been with the company for 1 to 2 years12% have been with the company for 5 to 7 years24% have been with the company for 8 to 10 years53% have been with the company for more than 11 years
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