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Mosinee Middle School Home

    • Mosinee Middle School Home
    • Announcements
    • Bell Schedule
    • Library Resources
    • Calendar
    • Staff Directory
    • Student Handbook
    • MMS Supply List
    • MMS Fee Schedule
    • Pupil Services
    • Clubs
    • Yearbook
    • PBIS
    • Mosinee School Forest
    • Feeding Our Future

Principal's Welcome

MMS Principal Kate Wollersheim

Dear Mosinee Middle School Families and Community Members,

It is with great excitement and sincere gratitude that I introduce myself as the new principal of Mosinee Middle School. As both an educator and a parent in this district, I am truly honored to serve a community that has been such an important part of my life for nearly 13 years.

With 17 years of experience in education, I bring a strong commitment to fostering a school environment where all students feel safe, respected, and supported in their learning. I am dedicated to building on the proud tradition of excellence at Mosinee Middle School and ensuring every student has the opportunity to thrive—both in the classroom and beyond.

Middle school is a time of growth, exploration, and discovery, and I am fully invested in making these years a positive and enriching experience for every child and family. I look forward to partnering with our outstanding staff, dedicated families, and supportive community to continue moving our school forward together and provide the very best for our students.

I truly believe that great things are ahead for Mosinee Middle School, and I am excited to begin this journey with all of you. I look forward to a fantastic year ahead!  

Warmly,
Kate Wollersheim
Principal

Assistant Principal's Welcome

Associate Principal Stef Tryba

Dear Mosinee Middle School Students, Families, and Community Members,

I am excited to begin this new chapter as the Assistant Principal at Mosinee Middle School! While I may be stepping into a new building, I’m certainly not new to the Mosinee community. I have four children who attend Mosinee schools, and although our family lives in Milladore, we consider Mosinee our home.

As I begin my 20th year in education, I bring with me a strong background in special education and instructional leadership, along with a passion for building relationships and helping students succeed. I’ve had the privilege of working with students from birth through age 21, and I am committed to using that experience to support the academic, social, and emotional growth of all learners at MMS.

I believe that strong relationships with families are the foundation for student success. Through collaboration, communication, and a shared commitment to our students, we can create an environment where all children thrive. My goal is to support both students and teachers in preparing our learners not only for high school, but for life—as critical thinkers, problem solvers, and kind, respectful citizens.

At Mosinee Middle School, we aim to instill core values that help guide our students both inside and outside the classroom. Together, we will foster responsibility, leadership, and character to help shape students into the best version of themselves.

Please don’t hesitate to reach out—I am here to support you and your child throughout the year. I look forward to getting to know our students and families and working together to make this a successful and memorable school year.

Warm regards,
Stef Tryba
Assistant Principal


Speak Up Speak Out Wisconsin

Submit an anonymous tip about school safety, bullying, and other concerns to the Speak Up, Speak Out state tip line. Click here, then select the "Submit a Tip" button near the top of the page.

To report bullying to the administration at Mosinee Middle School, click here.



Upcoming Events



Announcements

Join Us! MHS Groundbreaking - Aug. 13th

Construction Groundbreaking Shovel
Join us for a groundbreaking ceremony to celebrate the start of construction at Mosinee High School!

Join us for a groundbreaking ceremony to celebrate the start of construction at Mosinee High School!

August 13th • 6-7pm

Located at entrance on 11th Street

Please note: The MS/HS Open House will be occurring at the same time.


Construction Update

Construction Photo
Following a successful November 2024 referendum, contractors have started work on the High School

Following a successful November 2024 referendum, contractors have started work on the High School addition. The first set of concrete pours are up against the existing school and will be the start of the new locker rooms and High School office. As crews are working on foundations, Integrity Grading and Excavating is working on removing the existing parking lot in the addition’s footprint.

In the coming weeks:

  • Begin storm and sanitary utilities
  • Begin new water service
  • Continue with footings and foundation walls
  • Masonry

Visit our 2024 Referendum - Construction page for complete details and photos - click here


School Supply Lists Now Available!

school supplies
School supply lists for the 2025-26 school year are now available on the website.  Visit each

School supply lists for the 2025-26 school year are now available on the website.  Visit each building's page for the complete list.

High School Page Link

Middle School Page Link

Elementary School Page Link


Feeding Our Future: Mosinee School's Food Pantry

Feeding Our Future logo
Click here for more information about this program.

Click here for more information about this program.


Motique: More Than Clothes

motique
Visit Motique to find numerous resources, such as clothing, school supplies, hygiene products,

Visit Motique to find numerous resources, such as clothing, school supplies, hygiene products, feminine products, and snacks.  Everything is FREE, and we encourage all students and staff to check out what this room has to offer!

Click here to learn more about Motique: More Than Clothes.



Mosinee School District

Address

700 High Street, Mosinee, WI 54455

Phone

715-693-3660

Fax

715-693-6655
Contact Us

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