Welcome to Mathnasium of Riverdale

My Daughter (Sania) is more confident in math. This program is helping her so much. I'm very thankful for all ...

Sharmilla Ramlall

My daughter went from having C's on her math assessments to A's. Thank you, Mathnasium and Naresh!

Leslye Oquendo-Thomas

Contact us


  • 5919 Riverdale Ave
  • Bronx, NY 10471
  • Call (929) 949-6284

Hours of Operation

Instructional Hours

Sun 12:00PM - 3:00PM
Mon-Thur 3:00PM - 7:00PM
Fri-Sat Closed

Office Hours

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Hello, I'm Naresh Jessani, Owner & Center Director of Mathnasium of Riverdale. We serve students K-12 in public, private and charter schools to improve grades and to prepare for standardized tests such as NY State Tests, Regents Exams, ISEE, HSPT, Specialized High School Admissions Test and the PSAT & SAT. Our whole team is focused on the success of every student.

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:

  • Riverdale, The Bronx, Inwood, Yonkers
  • P.S. 81 Robert J. Christen School
  • St. Margaret of Cortona - St. Gabriel School
  • Salanter Akiba Riverdale School (SAR)
  • Riverdale Kingsbridge Academy (RKA)
  • Cardinal Spellman High School
  • Ethical Culture Fieldston School, Horace Mann School, Riverdale Country School



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

Celebrate Pi Day at Mathnasium!

Feb 23, 2024 | Riverdale

Join us at Mathnasium Riverdale on March 14 for our Pi Day celebration!

Math Plays A Key Role in Swimming!

Feb 22, 2023 | Riverdale

Using Math in sports has become more common over the years. For instance, take swimming, swimming has several different course and stroke variables. Results from a short course (25 yards) or a longer course (50 meters), can be converted by a coach to make projections for how a swimmer might perform in another race.

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"My daughter went from having C's on her math assessments to A's. Thank you, Mathnasium and Naresh!"

— Leslye Oquendo-Thomas


5919 Riverdale Ave

Bronx, NY 10471

United States