Welcome to Mathnasium of Oconomowoc

My son is loving it so far! Also, he did great on his last math test at school!

Melissa Becker

My son was struggling with math and was not thrilled about the idea of going to Mathnasium. However, after on...

Pamela Pickleman
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Summer Programs

Make Mathnasium Part of Your Summer Plans.

FREE Math Assessment

The best way to see if we are a good fit for your child’s needs is to visit our center, meet the instructors, and try out our program. This is not an observation session, but a deep dive assessment into your child's math needs with a grand tour of our amazing Mathnasium center. Our meeting will give you and your child a sense of who we are, what we do, and how we can help.

Schedule Free Assessment

Contact us


  • 1456 Olympia Fields Drive
  • Oconomowoc, WI 53066
  • Call (262) 599-5815

Hours of Operation

Instructional Hours

Mon 3:00PM - 7:00PM
Tue 3:00PM - 7:00PM
Wed 3:00PM - 7:00PM
Thu 3:00PM - 7:00PM
Sat 10:00AM - 2:00PM

Office Hours

12:00PM - 3:00PM
12:00PM - 3:00PM
12:00PM - 3:00PM
12:00PM - 3:00PM
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Hello! I'm Andrew Halverson, Center Director of Mathnasium of Oconomowoc, your neighborhood math-only learning center. We help kids in grades K-12 understand math by teaching the way that makes sense to them. We provide proven, effective, and FUN (yes, kids love learning math here) math tutoring to students in elementary, middle school, and high school.

We specialize in math-only instruction with a focused, caring, and fun learning approach that delivers results.
We proudly serve local communities and schools, including:

  • Oconomowoc, Summit Corners, Monterey, Ixonia, Stonebank, Wales, Concord, Dousman, and the surrounding communities
  • Oconomowoc Area School District (Oconomowoc High School, Nature Hill Intermediate, Silver Lake Intermediate, Greenland Elementary, Ixonia Elementary, Meadow View Elementary, Park Lawn Elementary, Summit Elementary)
  • Stone Bank School District
  • Kettle Moraine School District
  • Adeline Montessori, Holy Trinity Lutheran, Lake Country Classical Academy, St. Jerome Parish School, St. Matthew's Lutheran, St. Paul's Evangelical Lutheran



One-on-One Assessment

Our unique assessment pinpoints what each child already knows and what they still need to learn.


Customized Learning Plan & Goals

Our detailed plan takes your child step-by-step from where they are to where they need to go.


The Mathnasium Method™

Our proprietary curriculum and teaching method fosters skills that take hold and build upon one another.

Latest News & Posts

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"Our daughter's confidence has soared with Mathnasium! She loves coming to sessions and her teachers continue to be impressed with the difference it's making at school."

— Liz Richards


1456 Olympia Fields Drive

Oconomowoc, WI 53066

United States