Welcome to Mathnasium of Rancho Penasquitos

Helpful, nice, and friendly tutors and staff.


CC has been joyed all the positive reinforcement

Kandra Olsen

Math Skills Assessment

The best way to see if we are a good fit for your child’s needs is to get a Comprehensive Math Skills Assessment. Questions please call (858) 578-2862

Schedule Assessment

Contact us

Rancho Penasquitos

  • 9975 Carmel Mountain Road, #G5
  • San Diego, CA 92129
  • Call (858) 578-2862
  • Text 8583354737

Hours of Operation

Instructional Hours

Mon - Thu 3:00 PM - 7:30 PM
Sat 10:30 AM - 1:30 PM

Office Hours

Mon - Thu
2:30 PM - 7:30 PM
11:00 AM - 2:00 PM
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Hello. I'm Lucille Capule - Campbell, Owner, Center Director of Mathnasium of Rancho Penasquitos, your neighborhood math-only learning center. I have been working with PUSD students since 2014 and have been very blessed to know more about the curriculum in our community.

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:

  • Rancho Penasquitos
  • Carmel Mountain
  • Black Mountain
  • Poway
  • 92129
  • 92128
  • 92127



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

Building Math Success from a Strong Foundation

Aug 10, 2021 | Rancho Penasquitos

Unlike many academic subjects, math builds upon itself level by level, so it’s important to start with a strong foundation. The proven Mathnasium MethodTM forms the foundation for math mastery through deep understanding, with carefully selected topics tha..

Our Results

May 13, 2021 | Rancho Penasquitos

Does Mathnasium work? We conducted multiple parent surveys and independent studies to find out. And the answer is a resounding YES. Children who consistently attend our learning centers make tremendous strides in comprehension, confidence and grades, and ..

Find out how Mathnasium will work for your child

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"My daughter likes the teaching style and the teachers. She finds the teachers approachable and knowledgeable. It has been easier for her to understand math concepts and has an “A” in her math class. "

— Kerin Rojas Ortiz Orbe

Rancho Penasquitos

9975 Carmel Mountain Road, #G5

San Diego, CA 92129

United States