Welcome to mathnasium of Lake St. Louis

There should be more available time for school off days


They are always ready to help the students and always inform the parents about the kids improvement plan.

Pradeep Nanda

Contact us

Lake St. Louis

  • 6251 Ronald Reagan Dr.
  • Lake St. Louis, MO 63367
  • Call (636) 466-5033

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
Fri 12:00PM - 3:00PM

Office Hours

3:00PM - 7:00PM
3:00PM - 7:00PM
3:00PM - 7:00PM
3:00PM - 7:00PM
1:00PM - 4:00 PM
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Hello. I'm Mo Riad, owner of Mathnasium of Lake St. Louis, your neighborhood math-only learning center. We Provide proven, effective, and FUN (yes, kids love learning math here) math tutoring to students in elementary, middle school, and high school. Serving Lake St. Louis, Wentzville & Dardenne Prairie areas.

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:

  • Lake St. Louis
  • Wentzville
  • Dardenne Prairie
  • Cottleville
  • O'Fallon
  • Weldon Spring
  • Gilroy

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!

Meet the Team gallery1

Instructor Spotlight

Jennifer Heien
Ms. Jennifer Heien is the Center Director of Mathnasium of Lake St. Louis. She earned a Bachelor of Science Degree in Chemical and Petroleum Refining Engineering from the Colorado School of Mines in Golden, Colorado in 1997 and embarked on a 19-year career focused on chemical finishing applications(...)



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

Can Your Child Learn To Love Math?

May 10, 2022 | Lake St. Louis

Can children learn to fall in love with math? Really? In a recent study, 88% of students questioned said math was their least favorite subject. Their reasons were: 1. Feeling frustrated because they didn't fully understand a topic or concept. ..

Find out how Mathnasium will work for your child

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"They have been great! They have really helped our son improve his Math skills during fourth grade. He has gained more confidence, which is great to see. "

— M.W.

Lake St. Louis

6251 Ronald Reagan Dr.

Lake St. Louis, MO 63367

United States

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