Welcome to mathnasium of Cathedral Heights

Our experience with Mathnasium Cathedral Heights has been fantastic. Our kids really enjoy it and I think they...


Our 7th grade daughter loved her experience at Cathedral Heights Mathnasium. It made her much more confident i...

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Contact us

Cathedral Heights

  • 3706 Macomb St NW
  • Washington, D.C., DC 20016
  • Call (202) 888-6882

Hours of Operation

Instructional Hours

(In-Center) ‏‏‎ ‎
Sun 1:00 PM - 5:00 PM
Mon - Thu 3:30 PM - 7:30 PM
(Online) ‏‏‎ ‎
Sun 2:00 PM - 5:00 PM
Mon - Thu 4:00 PM - 8:00 PM

Office Hours

12:00 PM - 1:00 PM
Mon - Thu
11:30 AM - 3:30 PM
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Hi, I'm Riss, the Director of the Cathedral Heights Center. I graduated from Ransom Everglades. I've always been passionate about education and I know first hand the importance of a strong mathematical foundation in children's lives.

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:

  • Murch Elementary
  • Janney Elementary
  • Washington International School
  • Oyster-Adams Elementary
  • Beauvior Elementary
  • Easton Elementary School
  • Hearst 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!

Meet the Team gallery1

Instructor Spotlight

Riss Mendizabal
My name is Riss Mendizabal! I was born in Matanzas, Cuba and grew up in Miami and graduated from Ransom Everglades. Education is something I have always been passionate about. As a former instructor for Breakthrough Miami, I know first hand the importance of a strong mathematical foundation in child(...)



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

Halloween Party

Oct 18, 2023 | Cathedral Heights

Calling all boos and ghouls: we're conjuring up some Halloween fun, and you're invited! What: Halloween Party Date: Sunday, October 29, 2023 Time: 5:30pm to 7:00pm Bring a friend or sibling, and get three cards!

Big Brain Boot Camp

May 30, 2023 | Cathedral Heights

You can always spot the student who spent their summer with Mathnasium, and we'd love for that to be your child. Enroll them in our Big Brain Boot Camp! Unlimited Attendance = Unlimited Progress!

Find out how Mathnasium will work for your child

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"Our kids love it! They are reinforcing their knowledge and learning new concepts. They learn a good pace and teachers are patient."

— S.S.

Cathedral Heights

3706 Macomb St NW

Washington, D.C., DC 20016

United States

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