J. Klaas
Mathnasium of O'Fallon, Illinois has been such a blessing to my daughter. Of course, we are grateful that she...
See more reviews hereOur Results
94%
Math Skills
of parents report an improvement in their child’s math skills and understanding.
93%
Attitude
of parents report improved attitude toward math after attending Mathnasium.
90%
Success
of students saw an improvement in their school grades.
Our Results
The Proof Is In The Numbers
Math Skills
of parents report an improvement in their child’s math skills and understanding.
Attitude
of parents report improved attitude toward math after attending Mathnasium.
Success
of students saw an improvement in their school grades.
At Mathnasium of O'Fallon, our tutors use the Mathnasium Method™ to help students develop a deep understanding of math. This proprietary teaching approach blends personalized learning plans with mental, verbal, visual, tactile, and written techniques, ensuring each student receives math help tailored to their unique needs and learning styles.
The Mathnasium Method™ is designed to build a strong foundation for math excellence, empowering students to truly understand and even enjoy math.
Our caring and specially trained math tutors in O'Fallon deliver face-to-face instruction in a supportive, engaging group environment. We work with students of all skill levels in grades 2-12 to help them unlock their full math potential.
Learn how Mathnasium tutors helped Malachi gain confidence in math.
At Mathnasium of O'Fallon, each student receives a personalized learning plan based on a detailed assessment of their skill level, challenges, and academic goals.
This tailored approach allows students to learn at their own pace while building critical thinking and problem-solving skills, along with the confidence they need to excel in their math journey.
Discover how Mathnasium helped Maddie transform her math skills to achieve more confidence in the subject. Initially struggling with the lowest math grades in her class, Maddie worked with our tutors using a personalized approach tailored to her specific needs.
Math Tutors Near You
We specialize in math-only instruction with a customized and fun learning approach that delivers results. We proudly serve local communities, including:
Specially Trained and Caring Team
Tyler Douthitt
Owner and Center Director
Tyler Douthitt is the Owner and Center Director at Mathnasium of O’Fallon. He earned a degree in Computer Science with a minor in Mathematics from Southern Illinois University Edwardsville and was first introduced to Mathnasium as a parent, where he saw its powerful impact on student success.
Tyler is passionate about helping students gain confidence and truly understand math. Outside the center, he enjoys playing drums at church, watching classic films, and spending time with his family.
Christian Burton
Center Director
Christian Burton is a Mathematics major at Truman State University who aspires to become a high school math teacher. He brings experience teaching math, chess, and karate, and enjoys helping students build both academic skills and confidence.
Christian is enthusiastic about making math engaging and approachable for every learner. In his free time, he enjoys travelling, cooking, exploring art museums, and spending time with his two cats, even though they make him sneeze.
Jack Hook
Instructor
Jack Hook is a retired computer programmer with professional experience at Ralston Purina, AT&T, and IBM. He holds a Bachelor of Science in Computer Science from Southern Illinois University Carbondale and has continued sharpening his math skills through algebra and geometry coursework.
Jack enjoys helping students develop confidence in math through patience and clarity. Outside the center, he enjoys cycling, writing poetry, playing pool, and learning about cosmology through science programs.
Lisa Camp
Instructor
Lisa Camp is a retired U.S. Air Force officer who served as an aircraft maintenance officer on B-1 and KC-135 aircraft. She holds a Bachelor of Science in Computer Systems Engineering and a master’s degree in Applied Management.
Lisa brings a disciplined yet encouraging approach to math instruction and enjoys helping students overcome challenges. Outside Mathnasium, she enjoys sports, woodworking, roller coasters, and spending time with her two energetic dogs.
Tristin Brown
Instructor
Tristin Brown is a mathematics student at Southern Illinois University Edwardsville preparing for a future as a high school math teacher. He has enjoyed math from a young age and is known for helping classmates understand challenging concepts.
Tristin enjoys making math fun and approachable for students. Outside the center, he plays Ultimate Frisbee, video games, and several brass instruments, including the tuba, trombone, and trumpet.
Isabella Hoolihan
Instructor
Isabella is a student at SWIC working towards an Associate's degree and planning to major in art in the future. She loves math and enjoys helping others to understand math and maybe even love it as well.
Favorite Number: 11; it always has been plus the multiples of it are fun!
Favorite Math Joke: There's a fine line between a numerator and a denominator.
Fun Fact: I own two cats and is always covered in cat hair (despite being allergic)!
Rakeem Shelby
Instructor
Rakeem has earned a degree in Math with a minor in computer science from SEMO for his bachelor's degree. He has also earned his Master's of Science in Computer Science at SIUE. He currently works as a software engineer. Outside of his education, he is an alumni member of Iota Phi Theta Fraternity Inc. He enjoys jogging during the warm months of the year.
Favorite Number: 4, because that's how many people are in his immediate family.
Favorite Math Joke: Did you hear about the mathematician who’s afraid of negative numbers? He'll stop at nothing to avoid them.
Fun Fact: He moved to O'Fallon when he was in 4th grade and has stayed here ever since!
Students can take 3 easy steps to enroll at Mathnasium.
All students begin their Mathnasium journey with a diagnostic assessment that pinpoints what they already know and what they still need to learn.
FAQ
Mathnasium of O'Fallon is located at 210 Hartman Ln #100 in O'Fallon, IL. Our center is right off I-64, next to Marcus Theatres, and surrounded by convenient shopping and dining options including Target, Walmart, Sam’s Club, and many restaurants, making drop-off and pick-up easy for busy families.
We proudly serve students from O’Fallon and surrounding communities. Local schools we support include:
OTHS District 203
O’Fallon Elementary District 90
St. Clare School
First Baptist Academy
Belleville Districts 118 and 201
We can support students with any grades 2–12 math class or topic, including arithmetic, Algebra, Geometry, and more advanced subjects.
Our tutors follow personalized learning plans tailored to each student’s needs, helping them build foundational skills, improve grades, and gain confidence in math.
Mathnasium of O'Fallon provides premium value through a flat monthly membership and a one-time enrollment fee.
Most students attend two to three times per week. After a diagnostic assessment, we design a personalized learning plan with recommended session frequency based on your child’s goals. Contact us at [email protected] to learn more.
Each student begins their enrollment process with a diagnostic assessment to understand their current skill level, identify learning gaps, and set academic goals. This allows us to create a personalized learning plan that supports their unique path to success.
At Mathnasium of O'Fallon, we do not follow a traditional curriculum. We use our proprietary approach called the Mathnasium Method™, which combines personalized learning plans with proven teaching techniques to develop solid foundations for math mastery.
Our approach builds on each student’s existing knowledge, addressing gaps in understanding and introducing new concepts gradually and logically so students gain confidence and long-term success.
Both! We support students of all skill levels, whether they are looking to catch up, keep up, or get ahead.
Students who are struggling receive caring, targeted instruction to rebuild foundational skills and confidence, while advanced learners benefit from enrichment that challenges their thinking and deepens understanding.
Absolutely! We welcome students from homeschool, public, and private school backgrounds across O'Fallon and surrounding communities.
Our flexible scheduling and personalized instruction complement homeschooling programs and goals.
Yes! Our tutors make time during each session to help students with their homework and ensure they understand the concepts they’re learning in school.
No, we do not assign additional homework. All learning takes place during sessions, so students stay focused and productive while they are with us.
Yes! Mathnasium of O'Fallon prepares students for school-based and standardized math tests, including state assessments, ACT®, and SAT®.
Our test prep includes personalized learning plans, targeted practice, and strategies to build both skills and test-taking confidence.
Let's do an assessment and there is no up-front cost and no obligation. This is a great chance to...
Schedule Free AssessmentKnowledge Hub
Apr 7, 2026
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Mon - Thu
3:00PM - 7:30PM
Fri
3:00PM - 5:30PM
Sun
2:15PM - 5:00PM
Mon - Fri
1:00PM - 7:00PM
| Mon - Thu: | 3:00PM - 7:30PM |
| Fri: | 3:00PM - 5:30PM |
| Sun: | 2:15PM - 5:00PM |
| Mon - Fri: | 1:00PM - 7:00PM |
(618) 624-6402
