St. Mary students, teachers and families fill the church pews for First Mass

St. Mary School · Mayville, WI

Where faith makes us family.

A faith-filled, family-sized Catholic education in Mayville — from childcare at 6 weeks through Grade 5, with plans to grow.

New to St. Mary?

Come see if we're the right fit for your family.

Take a tour, meet our teachers, and learn how Wisconsin School Choice could make St. Mary tuition-free for you.

Explore Admissions

Current Family

Everything you need for the week ahead.

Weekly Messenger, calendar, forms, and Home & School — all in one place.

Family Resources

Why St. Mary

A small school with a big heart.

Our Mission

St. Mary Catholic School is rooted in Catholic values and academic excellence. We are committed to providing an environment rich in diversity, inclusion and belonging, where children of God learn, love and live the faith.

Small school, big belonging

Small classes mean every child is truly known — by name, by story, by gift. Teachers, classmates, and parents all feel like family.

Faith at the foundation

Christ is woven into every day — from morning prayer to how we treat one another. Faith here is lived, not just taught.

More affordable than you'd think

Wisconsin School Choice (WPCP) makes St. Mary tuition-free for many families. We'll walk you through it — no pressure.

Children working on puzzles and letter cards together at St. Mary

Childcare

Childcare that feels like home.

Full-day care from 6 weeks, open early for working families. Warm rooms, gentle routines, and caregivers who love your little one like their own.

Childcare Info

What's new

News from St. Mary

St. Mary students posing together outdoors on a sunny day, one holding a butterfly release cage
Now open

St. Mary Now Open in Lomira!

We're growing! Now open, St. Mary in Lomira welcomed 4th and 5th graders in fall 2026, then adds a grade each year. Come see it for yourself.

Schedule a Tour

Upcoming fundraisers

Thu, Nov 5, 2026 · Don Ramon, Mayville

Eating for Education

Dine from 11 am to 9 pm and a share of the sales comes back to St. Mary.

Sat, Mar 6, 2027 · St. Mary School

Cribbage Tournament

Grab a partner and play for St. Mary — registration details come in the Weekly Messenger.

June 2027 · date to be announced

Rummage Sale

Shop the sale or donate gently used items — the exact date comes in the Weekly Messenger.

Sat, Sep 25, 2027 · Mayville Golf Course

Golf Outing

Swing for Our School — our biggest fundraiser of the year.

Life at St. Mary

Ordinary days, held with love.

Two young students lean over a paper plate of swirling colors, dipping a cotton swab into food coloring during a classroom experiment
A smiling girl holds an orange and black monarch butterfly on her fingertip while classmates gather on the lawn behind her
A caregiver smiles while holding a baby in each arm just inside the school entryway
A class of students poses in two rows in front of a Mayville fire department engine
Three children stand at a classroom window holding up paper acorn crafts with their names written on them
A teacher sits between two students at a cafeteria table with lunch trays in front of them
A teacher and a circle of young students watch a science demonstration together on the classroom rug
"The teachers know our kids — really know them. My daughter comes home talking about what she learned about God the way she used to talk about recess."

— BRITTANY C. (ST. MARY PARENT)

Visit us

The best way to know St. Mary is to walk our halls.

Come meet our principal, peek into a classroom, and see how the day feels. Tours are relaxed and honest — bring your questions.

Schedule a Tour

Mayville Campus

28 Naber Street
Mayville, WI 53050

Lomira Campus

699 Milwaukee Street
Lomira, WI 53048

Send us a note

Questions about admissions, childcare, or a visit? We'd love to hear from you.