K. Mikesell
Before signing my kids up for Mathnasium, “math” was almost a dirty word in our house and their homework was a...
See more reviews hereJ. MacIntyre
My son loves going here each week. He feels confident in his skills and Mathnasium has helped keep school math...
See more reviews hereOur Results
94%
Math Skills
of parents report an improvement in their child’s math skills and understanding.
93%
Attitude
of parents report improved attitude toward math after attending Mathnasium.
90%
Success
of students saw an improvement in their school grades.
Our Results
The Proof Is In The Numbers
Math Skills
of parents report an improvement in their child’s math skills and understanding.
Attitude
of parents report improved attitude toward math after attending Mathnasium.
Success
of students saw an improvement in their school grades.
At Mathnasium of Cathedral Heights, our specially trained tutors use the Mathnasium Method™ to help students build a deep understanding of math. This proprietary teaching approach blends personalized learning plans with mental, verbal, visual, tactile, and written techniques, ensuring instruction is tailored to each student’s unique needs and learning style.
The Mathnasium Method™ is designed to create a solid foundation for math excellence, helping students truly understand—and even enjoy—math.
Our caring, specially trained math tutors in Washington D.C. provide face-to-face instruction in a supportive and engaging group environment. We work with K-12 students of all skill levels, both in-center and online, to help them reach their full math potential.
Learn how Mathnasium tutors helped Malachi gain confidence in math.
At Mathnasium of Cathedral Heights, students receive personalized learning plans designed around a detailed assessment of their skill level, challenges, and academic goals.
This customized approach helps students learn at their own pace while strengthening critical thinking, problem-solving skills, and the confidence needed to succeed in math.
Discover how Mathnasium helped Maddie transform her math skills to achieve more confidence in the subject. Initially struggling with the lowest math grades in her class, Maddie worked with our tutors using a personalized approach tailored to her specific needs.
Math Tutors Near You
We specialize in math-only instruction with a customized and fun learning approach that delivers results. We proudly serve families in local communities, including:
Specially Trained and Caring Team
Riss Mendizabal
Center Director
Riss was born in Matanzas, Cuba, and grew up in Miami, graduating from Ransom Everglades. With a passion for education, Riss previously taught for Breakthrough Miami, where they saw firsthand how vital a strong math foundation is for lifelong success.
Now as Center Director, Riss is dedicated to helping students thrive by making math understandable and fun. When not at Mathnasium, Riss enjoys cooking and spending time with Lenny, their lively 7-year-old lab. They’re proud to lead a center where curiosity is encouraged and students grow in both confidence and skill every day.
Jenny Colletti
Director of Education
Jenny brings over a decade of math education experience and a deep belief that every child can become a confident problem solver. A University of Miami graduate with a dual major in Mathematics and Sociology, she has been with Mathnasium since 2013. Jenny loves helping students discover multiple ways to approach problems and watching their critical thinking blossom.
She brings warmth, creativity, and insight to every session, and finds joy in watching students realize their potential. Jenny’s mission is simple: to make math feel possible, exciting, and even fun—one student at a time.
Elizabeth Fraga
Director of Operations
Elizabeth blends her background in psychology with her passion for education to ensure every Mathnasium center runs smoothly and supportively. A Florida International University graduate and proud mom of two boys, she understands how kids learn best and how to create environments where they can grow.
Whether she’s mentoring staff, supporting students, or cheering from the sidelines at a baseball game, Elizabeth believes in the power of patience, positivity, and snacks. She’s committed to helping every child gain confidence and success in math, and loves being part of a team that makes learning both effective and enjoyable.
Laura Hamel
Owner
Laura co-founded Mathnasium alongside her husband Jonathan, bringing a shared love of education and children into the community. A Wake Forest University graduate with a degree in Business, Laura is also a busy mom of three boys, giving her firsthand insight into the academic needs of families.
Since opening their first center in 2014, she’s been dedicated to making math make sense for students of all ages. Laura’s favorite part of her role is welcoming parents and students into a caring, engaging space where confidence grows and math becomes less intimidating—and even fun.
Jonathan Hamel
Owner
Jonathan holds a BA in Economics from Wake Forest University and an International MBA from the University of South Carolina and Wirtschaftuniversität Wien in Austria. With nearly 20 years in finance, he knows how vital strong math skills are for success. He brings that knowledge to Mathnasium, where he helps kids build confidence like athletes building muscle through training, encouragement, and the right tools.
As a former lacrosse player and current volunteer coach for his sons' team, Jonathan loves working with kids and believes math mastery is a game-changer for academic and real-world success.
Students can take 3 easy steps to enroll at Mathnasium.
All students begin their Mathnasium journey with a diagnostic assessment that pinpoints what they already know and what they still need to learn.
FAQ
Mathnasium of Cathedral Heights is located at 3706 Macomb St NW, Washington, DC 20016, directly across the street from Giant and Cactus Cantina. Our center is easily accessible and provides convenient parking for families in the area.
We serve students from Northwest DC, Cleveland Park, Tenleytown, Georgetown, Rock Creek Park, Glover Park, Chevy Chase, The Palisades, and Embassy Row, helping them succeed in math through targeted instruction and customized learning plans. Local schools we support include:
Oyster-Adams Bilingual School
Beauvoir
John Eaton Elementary
Washington International School
Horace Mann Elementary
Yes, Mathnasium of Cathedral Heights offers both in-center and online tutoring.
Whether learning online or in person, students receive face-to-face instruction in a supportive and engaging group environment, guided by our specially trained tutors.
No, students who choose to attend Mathnasium of Cathedral Heights online receive the same personalized learning plans and face-to-face instruction as they would in our center. The format may vary, but the experience and quality of support remain consistent.
We help students learn and master any K–12 math class or topic, from early arithmetic through Algebra and Geometry.
Our specially trained math tutors in Cathedral Heights work with students at their own pace, helping them build solid foundational skills and improve performance in school.
We offer math-only tutoring through a flat monthly membership. Most students benefit from attending 2–3 sessions per week. During your free assessment, we’ll help determine the best learning plan for your child.
For enrollment information, contact us at [email protected].
No, membership fees are the same whether students attend sessions online, in-center, or in a hybrid format.
Each student begins with a diagnostic assessment that helps us identify their current skills, knowledge gaps, and academic goals. This allows us to develop a personalized learning plan that guides their progress and supports long-term success in math.
At Mathnasium of Cathedral Heights, we use the Mathnasium Method™, a proprietary teaching approach that combines personalized learning plans with proven instructional techniques.
We build on what the student already understands, introducing new concepts gradually and breaking them down into manageable steps. This helps students make sense of math, fill in learning gaps, and build a solid foundation for math mastery, enhancing their problem-solving and critical thinking skills along the way.
Yes, we support students of all skill levels, whether they are looking to catch up, keep up, or get ahead on their math journey.
Students who are struggling with math benefit from targeted instruction that addresses their learning needs. Advanced students can participate in our enrichment programs, which extend their understanding and challenge them with new material.
Absolutely. We work with students from all educational backgrounds, including homeschool, public, and private school families throughout Northwest DC and surrounding communities.
Yes. During each session, our tutors dedicate time to helping students with their math homework, making sure they understand the material and feel prepared for school.
No, all learning takes place during sessions. Our goal is to make the most of each student’s time in the center, allowing them to progress without the pressure of additional take-home work.
Yes, we help students prepare for standardized and school-based math tests, including state assessments, ACT®, and SAT®. Our test prep program includes personalized learning plans, targeted practice, and strategies that build both skills and test-taking confidence.
3706 Macomb St NW
Washington, D.C., DC 20016
| Call: | (202) 888-6882 |
| Email: | cathedralheights @mathnasium.com |
(In-Center)
Sun
1:00 PM - 5:00 PM
Mon - Thu
3:30 PM - 7:30 PM
Fri
3:30 PM - 7:00 PM
(Online)
Sun
2:00 PM - 5:00 PM
Mon - Thu
4:00 PM - 8:00 PM
Sun
1:00 PM - 5:00 PM
Mon - Thu
3:30 PM - 7:30 PM
Fri
3:30 PM - 7:00 PM
| (In-Center): | |
| Sun: | 1:00 PM - 5:00 PM |
| Mon - Thu: | 3:30 PM - 7:30 PM |
| Fri: | 3:30 PM - 7:00 PM |
| (Online): | |
| Sun: | 2:00 PM - 5:00 PM |
| Mon - Thu: | 4:00 PM - 8:00 PM |
| Sun: | 1:00 PM - 5:00 PM |
| Mon - Thu: | 3:30 PM - 7:30 PM |
| Fri: | 3:30 PM - 7:00 PM |
(202) 888-6882
