Welcome to mathnasium of South Costa Mesa

Our son really struggles with learning and retaining math skills. The staff at Mathnasium have consisently bee...


After just a few weeks my daughter went from failing her math tests and being behind to getting As on her math...

Lisa Swedlow

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South Costa Mesa

  • 435 E 17th St, #7
  • Costa Mesa, CA 92627
  • Call (949) 637-6284

Hours of Operation

Instructional Hours

Mon, Tues, Thurs 3:00 PM - 7:00 PM
Wed 2:00 PM - 6:00 PM
Sun 1:00 PM - 4:00PM

Office Hours

Tues, Weds, and Thurs
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Hello, I'm Lori Kim the Owner and Center Director of Mathnasium of South Costa Mesa. We help kids in grades K-12 understand math by teaching the way that makes sense to them. We offer math lessons, math tutoring sessions and math homework help to students in elementary, middle and high school. We offer year round and summer programs to tailor your child's learning.

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:

  • Newport Harbor High School
  • The Pegasus School
  • Newport Elementary
  • Mariners Elementary
  • Newport Heights Elementary
  • Kaiser Elementary
  • Ensign 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

I Wouldn't Be Where I Am Without Mathnasium

Jan 13, 2022 | South Costa Mesa

Let me introduce you to Dylan, a 12-year-old Mathnasium student. Dylan (who is completely adorable, btw) says, "I would not be where I am today without Mathnasium."  Unfortunately, Dylan's math story started out on the wrong foot. It..

Mathnasium Has Boomed. Here's Why.

Jan 13, 2022 | South Costa Mesa

Mathnasium was created to fill a need. The need, which was obvious to Larry Martinek, was the struggle kids experienced in math class. The language of math, the pacing of the class, and textbook teaching styles all seemed to culminate in frustrated learne..

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"The tutors are friendly with the students. They know how to related to kids. They are not like grumpy elementary teachers!"

— A.J.G.

South Costa Mesa

435 E 17th St, #7

Costa Mesa, CA 92627

United States

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