Welcome to Mathnasium of Guelph

Our son’s math skills, along with his confidence in school, have grown exponentially since joining Mathnasium....

Wayne Cochrane

Great staff and very organized and methodical in teaching. Our son loves the staff and is learning very well


Contact us for a FREE Assessment!

We are currently offering a free assessment (based on the Ontario curriculum) and results meeting to help you see where your child's math skills are and see how we can prepare a plan to help them get caught up and get ahead! You can reach out anytime by phone, text or email to book the free assessment and to get more information on our math program.

Contact Us

Contact us


  • 190 Clair Road East
  • Guelph, ON N1L 0G6
  • Call (519) 824-6284

Hours of Operation

Instructional Hours

Mon (Online & Centre) 2:30-7:30pm
Tue (Online & Centre) 2:30-7:30pm
Wed (Online & Centre) 2:30-7:30pm
Thu (Online & Centre) 2:30-7:30pm
Fri (Centre) 2:30-7:30pm
Sat (Centre) 10am-2pm

Office Hours

1:00-9:00 PM
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Hello. I am Sean Mongey, Owner of Mathnasium of Guelph, your neighbourhood math-only learning centre. We help kids in grades K-12 understand math by teaching the way that makes sense to them.

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:

  • Bishop Macdonell Catholic High School
  • Sir Isaac Brock Public School
  • Westminster Woods Public School
  • Jean Little Public School
  • Ecole Arbour Vista Public School
  • St. Ignatius of Loyola Catholic School
  • Mitchell Woods Public School



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

Family Creates Make Your Mark Foundation in Honour of Daughter Kayla Chadwick

Apr 5, 2021 | Guelph

One of our wonderful students Kayla Chadwick sadly passed away in 2019 due to SUDEP (Sudden Unexpected Death from Epilepsy), she is greatly missed. Her family has courageously shared their story to help create more awareness of SUDEP. To help raise funds ..

Centre Reopening July 2nd

Jun 23, 2020 | Guelph

We will be reopening our centre for in-person instruction on July 2nd. In order to ensure the safety of our staff and students, we will be following the guidelines outlined by the Ontario Government and the City of Guelph. If you have any questions, pleas..

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"Our son enjoys meeting with his tutors. And the centre’s directed approach to teaching is working. "

— W.C.


190 Clair Road East

Guelph, ON N1L 0G6