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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

School Board Annual Meeting Notice

Mosinee M Logo
MOSINEE SCHOOL DISTRICT NOTICE FOR ANNUAL DISTRICT MEETING Sec. 120.08 (1) Notice is hereby given to

MOSINEE SCHOOL DISTRICT

NOTICE FOR ANNUAL DISTRICT MEETING

Sec. 120.08 (1)

Notice is hereby given to qualified electors of the School District of Mosinee that the annual meeting of said district for the transaction of business will be held at the District Educational Service Center, 146001 State Hwy 153, Mosinee, Wisconsin, on Tuesday, September 16, 2025, at 6:00 p.m.

Dated this 25th day of August 2025

Donna Kaiser
School Board Clerk


Apply for the Dozynki Scholarship by Sept. 8th

Scholarships Offered
Click here to visit our scholarship page to review the scholarship requirements and application.

Click here to visit our scholarship page to review the scholarship requirements and application.


Board Meeting Location Change

Board Meeting Location Change
The Mosinee Board of Education Meetings have moved to Room 613 in Mosinee High School, located at

The Mosinee Board of Education Meetings have moved to Room 613 in Mosinee High School, located at 1000 High Street.
Parking is available by the football field. Please enter through Door 4 along 11th St.

Committee Meetings will be held prior to the regular meeting.

  • Personnel Committee Meeting - Room 613
  • Finance and Building Committee Meeting - Room 615
  • Instructional Programs Committee Meeting - Room 615 (Conference Room)

Art Scholarship Opportunities

Scholarships Offered
Students in grades 9-12 are encouraged to participate in the VFW Auxiliary National Scholarship

Students in grades 9-12 are encouraged to participate in the VFW Auxiliary National Scholarship Art Contest. Two categories are available. Click here to visit our scholarship page to review the contest information.


Developmental Screening - September 12

Developmental Screening Offered
The Mosinee School District is hosting The "Other Check-Up” a free developmental

The Mosinee School District is hosting The "Other Check-Up” a free developmental screening on September 12, 2025 from 7:00am-12:00pm at Mosinee Elementary School, 600 12th Street. The event gives parents an opportunity to have their children, three to five years of age, complete a screening of all areas of their development. Children will be asked to complete a variety of activities in the areas of motor skills, verbal skills, and cognitive/readiness skills. Parents need not have concerns to schedule a screening. District residents may schedule an appointment by calling Becky at 715-693-3660, ext. 2140.


Check Out Our Community Education Classes

Acrylic Painting
Check out the Community Education Classes offered September through December.  Click here to

Check out the Community Education Classes offered September through December.  Click here to see the full list of class offerings.


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
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