Welcome to Mathnasium of Lake Country

My son is getting enhanced math education. Staff are awesome with kids and he can get in whenever works with ...

Kristin Schultz

Awesome environment and support - my daughter loves going here!

L.M.
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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

Lake Country

  • 600 Hartbrook Drive
  • Hartland, WI 53029
  • Call (262) 287-0937

Click here to schedule an Assessment now!
Or click here to have us contact you!


Check out reviews from real parents at Mathnasium of Lake Country!

Hours of Operation

Instructional Hours

Mon 3:00PM - 7:00PM
Tue 10:00AM - 12:00PM + 2:00PM - 6:00PM
Wed 3:00PM - 7:00PM
Thu 10:00AM - 12:00PM + 2:00PM - 6:00PM
Fri 10:00AM - 12:00PM

Office Hours

Mon
12:00PM - 7:00PM
Tue
10:00AM - 6:00PM
Wed
12:00PM - 7:00PM
Thu
10:00AM - 6:00PM
Fri
10:00AM - 12:00PM
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Hello! I'm Marian de Almeida, Center Director at Mathnasium of Lake Country, your neighborhood math-only learning center in Hartland. We help kids in grades K-12 understand math by teaching the way that makes sense to them. We provide proven, effective, and FUN 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:

  • Hartland, Pewaukee, Oconomowoc, Waukesha, Merton, Delafield, Nashotah, Chenequa, Sussex, and the surrounding communities
  • Arrowhead High School
  • Hartland Lakeside School District (Hartland North Elementary, Hartland South Elementary, North Shore Middle)
  • Kettle Morraine School District (Cushing Elementary, Dousman Elementary, Magee Elementary, Wales Elementary, Kettle Morraine Middle & High)
  • Pewaukee School District (Horizon Elementary, Pewaukee Lake Elementary, Asa Clarke Middle, Pewaukee High)
  • Swallow School District

Dedicated to providing the best instruction

Our instructors are enthusiastic about math and specially trained in the Mathnasium Method. They create a caring and encouraging environment where your child will learn and thrive!

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Instructor Spotlight

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Marian de Almeida
Hey there! I'm Marian de Almeida, Center Director for Mathnasium of Lake Country. I've come all the way from Gaithersburg, Maryland, and I am so excited to bring my 8 years working with kids and teenagers in the mental health field, to the educational realm! I bring a wealth of experience in sup(...)

SCHEDULE YOUR MATHNASIUM ASSESSMENT TODAY

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One-on-One Assessment

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

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Customized Learning Plan & Goals

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

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The Mathnasium Method™

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

Latest News & Posts

ACT Math Prep at Mathnasium of Lake Country

Nov 17, 2021 | Lake Country

The ACT Test is taken by every high school student in the state of Wisconsin! It's a pretty big deal, especially for those looking to get into a good college. We offer a flexible ACT Prep program at Mathnasium of Lake Country. Each week you get two o..

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"Greg's enthusiasm and energy are awesome and the tutors are excellent! "

— Kristin Schultz

Lake Country

600 Hartbrook Drive

Hartland, WI 53029

United States