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Featured highlights

Celebrating Catholic Schools Week

January 29 – February 4, 2023

Many fun activities are planned for Catholic Schools Week at Cotter Schools.

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2023 Cotter Auction

Please join us Saturday, April 22, 2023 for the 44th Annual Cotter Auction. Celebrate with your community at the largest (and most impactful!) fundraising event of the year. 

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St. Luke Hall Opening Fall 2023

Cotter Schools will open a newly renovated and expanded Kindergarten through Grade 6 building.

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Catch the Ramblers in action!

Show your Rambler pride and cheer on our Cotter student-athletes!

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Engaging in activities & athletics

We offer nearly 50 activities, extra-curricular opportunities and athletic teams that allow you to get involved in the school community.

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a catholic learning community

At Cotter Schools, we're proud to serve scholars age 16 months through grade 12, across four campuses in Winona, Minnesota.

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our campuses

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Through our fully-unified early childhood through 12th grade learning experience, Cotter Schools advances a tradition of Catholic education in Winona that began more than 110 years ago.

Main square Campus

Montessori 16 Months - 6 Years

St. Mary’s campus

16 Months - 6 Years

St. stan’s campus

Grades 1-4

St. teresa’s campus

Grades 5-12

Explore Grades:

our distinctions

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graduation rate

We're proud of our scholars who helped Cotter achieve a 100% graduation rate in 2021.

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Achieving academic success

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organizations served

We partner with organizations across the community to help better Winona, Minnesota, and the surrounding areas.

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Helping 100+

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Each year our students faithfully serve in the community.

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over 10,000 hours
faithfully serving

Upcoming events


Joining Cotter

Education with Character

We proudly serve students age 16 months through grade 12 across four campuses in Winona, Minnesota.

At Cotter Schools, you'll experience faith and community, excellence in education, individualized attention and opportunities to grow. Cotter is—and always will be—a place where standards, values and YOU matter.

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