Welcome to Mathnasium of Mission Gorge

I am totally happy with the help my son has received from Mathnasium. His grades has improved and he has rega...

Khoi Nguyen

So accommodating and wonderful with my son! Thank you so much Tommy and staff❤️

Dina Payne
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Summer Programs

Make Mathnasium Part of Your Summer Plans.

Contact us

Mission Gorge

  • 10330 Friars Road, #109
  • San Diego, CA 92120
  • Call (619) 281-6284
  • Text (619) 281-6284

Hours of Operation

Instructional Hours

Mon 12:00PM - 7:00PM
Tue 12:00PM - 7:00PM
Wed 12:00PM - 7:00PM
Thu 12:00PM - 7:00PM
Sat 9:00AM - 1:00PM

Office Hours

Mon - Thu
12:00PM - 7:00PM
9:00AM - 1:00 PM
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Hello. I'm Tommy Najarian, Owner/Center Director of Mathnasium of Mission Gorge, 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:

  • Allied Gardens
  • San Carlos
  • Del Cerro
  • Lewis Middle School
  • Patrick Henry High School
  • Marvin Elementary
  • Hearst Elementary



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

We're Opening Our Doors Again! Read about our safety precautions!

Jun 3, 2020 | Mission Gorge

Great news! We’re pleased to share that our center will re-open for in-person instruction on Monday, June 15th. We can’t wait to see our students again! Students will have the option to learn in the center or continue online with Mathnasi..

Mathnasium Coronavirus (COVID-19) Health and Safety Update

Mar 15, 2020 | Mission Gorge

At Mathnasium, the well-being of our families is always our first priority. We are keeping up with the latest information on the coronavirus disease (COVID-19) and wanted to share some notes with you on how we are working to keep our center the safes..

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"My son has been going for a little over a month & he seems to enjoy going now. "

— Dawn Bugaj

Mission Gorge

10330 Friars Road, #109

San Diego, CA 92120

United States