Mathnasium of O'Fallon Googlemaps

   428 Reviews
210 Hartman Ln, Suite 100
O'Fallon, IL 62269
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Recent Reviews:


The instructors are very effective at teaching math in a way my teenager can comprehend. The instructors are also very patient and kind.

We had a great experience with Mathnasium, we can’t wait to come back.

My daughter has excelled in math since being here. She enjoys coming after school. She enjoys math now.

Great place for children to learn.

My daughter has developed so much confidence in herself, as well as her math skills. Cannot wait to watch her success moving forward.

We have been w mathnasium going on 2 years. My daughter started at 1st grade level and is now at 3rd grade and she is in 5th grade! I am completely invested but you have to make the time as a parent to go 3 days a week consistently. Despite the weather, despite the drive there and home, despite the 10 million other things that you need to do. Absolutely nothing is more important than our kids education and excelling:) go for a run while you wait:) join a local work out place to go while they are attending for the hour. You won’t regret the time, money and effort invested because of the progress they achieve!

I see the improvement in nephew and now he’s starting to feel good about math..Thank you

Our childrens grade in math has improved a letter grade since we started in May. Our kids love going to Mathnasium and their confidence in math has grown

Mathnasium has exceeded my expectations. My daughter loves math now and the arguments are in the past. No more nightly screaming frustrations.

Amanda and staff are great

Very caring and one on one attention

I have seen both of my children grow in confidence by attending Mathnasium. My daughter was about two grade levels behind where she needed to be, and in about one year of attending sessions, she is almost caught back up to her grade level! It is also helpful that she attends sessions right before a quiz or test, and she is able to study and review specifically what she is doing in her school class. Both of my kids enjoy the reward system and are very motivated by earning their card punches and prizes!


Great experience. Really helped my son a lot.

I really appreciate the morning times, wish they would be able to have them a few more days a week. Otherwise it is great!

Mathnasium has made sure our daughter has kept up with and has flourished in her math classes.

My daughter had a great experience at Mathnasium (O'Fallon, IL). They helped to increase her math skills and, just as important, her confidence after years of dreading math. The staff were always gracious and kept us updated regularly. Her extra-curricular schedule is too full now to attend Mathnasium, and she actually said that she missed going there.

We have had nothing but a great experience with Mathnasium. Our son is more confident - not just in math but in other ways as well. We had no idea how feeling so lost in math was affecting his overall behavior and feeling. Can't say enough good things about the positive changes this has brought into our lives!

I am grateful for your support. Christopher was failing in math for 7th and eighth grade. Now, he’s ahead of the class and understands the assignments before they are introduced to them in school. This is all thanks to Mathnasium.

My daughter loves coming to Mathnasium! She is already getting better grades in math and it has only been a month!