Welcome to mathnasium of Stone Oak

Stephanie is the best and very attentive to Mariela. Mariela has only said positive things about her lessons a...

Ruth Spina

we parent like to see our son growth in a math also every instructors are so knowledgeable Nazleen & Stephani...

S.A.

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Stone Oak

  • 19903 Stone Oak Parkway, #105
  • San Antonio, TX 78258
  • Call (210) 399-3151

Hours of Operation

Instructional Hours

In Center or Online By Appointment Only
Mon - Thu 3:00 PM - 8:00 PM
Saturday 10:00 AM - 2:00 PM
Sunday (in center only) 1:00 PM - 4:00 PM

Office Hours

Call for Information
Daily, 9:00 AM - 9:00 PM
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Center Director
By Appointment Only
Mon - Thu
2:00 PM - 8:00 PM
Saturday
10:00 AM - 2:00 PM
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Hello! I'm Stephanie Harkiewicz, Center Director of Mathnasium of Stone Oak, your neighborhood math-only learning center. 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:

  • Stone Oak
  • Far North Central San Antonio
  • Timberwood Park
  • Hollywood Park
  • Stone Oak Elementary School
  • Wilderness Oak Elementary School
  • Las Lomas Elementary School

Dedicated to providing the best instruction

Our instructors are enthusiastic about math and specially trained in the Mathnasium Method. They create a caring and encouraging environment where your child will learn and thrive!

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Instructor Spotlight

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Stephanie Harkiewicz

Stephanie studied at the University of the Incarnate Word pursuing a degree in Mathematics and a Minor in Special Education. After graduation, Stephanie taught various levels of mathematics on the middle and high school levels for five years. She worked as an insurance agent for 2 years after, be(...)

SCHEDULE YOUR MATHNASIUM ASSESSMENT TODAY

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One-on-One Assessment

Our unique assessment pinpoints what each child already knows and what they still need to learn.

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Customized Learning Plan & Goals

Our detailed plan takes your child step-by-step from where they are to where they need to go.

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The Mathnasium Method™

Our proprietary curriculum and teaching method fosters skills that take hold and build upon one another.

Latest News & Posts

Celebrating Pi Day: Exploring the Infinite Wonders of Mathematics

Mar 12, 2024 | Stone Oak

With the month of March upon us, mathematicians and enthusiasts worldwide eagerly anticipate a special day dedicated to one of the most intriguing and fundamental constants in mathematics – Pi Day!

Adding Love to Learning

Feb 4, 2024 | Stone Oak

Love is in the air, and at Mathnasium, we're all about spreading the joy of learning, especially when it comes to math! As Valentine's Day approaches, we've found a unique way to intertwine the world of numbers with the season of love.

Upcoming Events

Summer Camp - June 24th-28th
Jun 24, 2024 - Jun 28, 2024
"Math is Fun!" Summer Camp, Grades 1-6. Click "More Details" below to learn how to register!
Summer Camp - July 15th-19th
Jul 15, 2024 - Jul 19, 2024
"Math is Fun!" Summer Camp, Grades 1-6. Click "More Details" below to learn how to register!
More Events brn

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"My girls love going to Mathnasium. Their math grades have improved this year and they are at level now at the beginning of the year which in the past they only got to level at the end of the year. The staff is friendly, professional and knowledgeable. "

— M.H.

Stone Oak

19903 Stone Oak Parkway, #105

San Antonio, TX 78258

United States

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