We are open for in-person instruction in our center. Live, face-to-face online instruction is also available via Mathnasium@home.

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Alert

Mathnasium of O'Fallon is closed today, 2/16/24, due to weather.

Holiday Hours

Our center will be closed the following days:

Presidents' Day
Feb 21, 2022
Spring Break
Apr 14, 2022
Spring Break
Apr 15, 2022
Easter Sunday
Apr 17, 2022
Memorial Day Weekend
May 29, 2022
Memorial Day Weekend
May 30, 2022
Independence Day
Jul 3, 2022
Independence Day
Jul 4, 2022
Labor Day
Sep 5, 2022
Thanksgiving
Nov 24, 2022
Thanksgiving
Nov 25, 2022
Christmas Break
Dec 23, 2022
Christmas Break
Dec 25, 2022
Christmas Break
Dec 26, 2022
New Year's Day
Jan 1, 2023

Hours of Operation

Instructional Hours

Mon - Thu
3:00PM - 7:30PM
Fri
3:00PM - 5:30PM
Sun
2:15PM - 5:00PM

Office Hours

Mon - Fri
11:00AM - 7:00PM

What makes Mathnasium different from other tutoring programs?

Learn About the Mathnasium Method™

The Mathnasium Method™

Why Choose Mathnasium?

Face-to-face Math-Only Instruction

In-Center or online, our instructors work face-to-face with your child to focus on their unique math learning needs.

Customized Learning Plans

We create a customized plan to meet your child's unique educational needs and goals.

Math is Fun at Mathnasium

We have engaging instructors, awesome student rewards, and a fun learning space.

Schedule your math skills assessment today

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Fix "Broken" Math Tools

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