Welcome to Mathnasium of Southside Jacksonville

The tutors here have given my daughter confidence and helped improve her "not so good math grade" from a C to ...

Jennifer Zinge

Excellent service by Kim and Michael, we love mathnasium

bala Manda


Call Today For a FREE Trial! Take the first step towards providing your child with a solid math foundation. Give us a call to schedule your free trial session! Our meeting will give you and your child a sense of who we are, what we do, and how we can help. Call or complete the form on the right to get started.

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Southside Jacksonville

  • 9802 Baymeadows Rd, #19
  • Jacksonville, FL 32256
  • Call (904) 201-1717

Hours of Operation

Instructional Hours

Mon - Thurs 3:00PM - 7:00PM
Sat 10:00AM - 2:00PM

Office Hours

Mon - Thurs
12:00PM - 3:00PM
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Hello. I'm Kim Castleman, Center Manager of Mathnasium of Southside Jacksonville, your neighborhood math-only learning center. We help kids in grades 1-12 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:

  • Holy Family Catholic School
  • Jacksonville Country Day School
  • Duval Charter School at Baymeadows K-12
  • Duval Charter School at Southside K-8
  • Twin Lakes Academy Middle 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

Does Mathnasium work?

Apr 19, 2021 | Southside Jacksonville

Our Results By Mathnasium | April 14, 2021   Does Mathnasium work? We conducted multiple parent surveys and independent studies to find out. And the answer is a resounding YES. Children who consistently atte..

Academically, the 'COVID Slide' Could Be a Lot Worse Than You Think

May 5, 2020 | Southside Jacksonville

Although educators see a slide in math skills every summer, experts say that the “COVID Slide” will be much worse. The Northwest Evaluation Association, NWEA, released figures outlining how we can anticipate the COVID slide impacting stude..

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"Mathnasium was a great experience for our daughter and helped her gain confidence in her math skills. Highly recommend for any family!"

— K.B.

Southside Jacksonville

9802 Baymeadows Rd, #19

Jacksonville, FL 32256

United States