We are open for in-person instruction in our center. Live, face-to-face online instruction is also available via Mathnasium@home.

Holiday Hours

Our center will be closed the following days:

Martin Luther King Jr. Day
Jan 15, 2024
Presidents' Day
Feb 19, 2024
Easter Weekend
Mar 30, 2024
Memorial Day Weekend
May 25, 2024
Memorial Day
May 27, 2024
Fourth of July
Jul 4, 2024
Fourth of July Weekend
Jul 6, 2024
Labor Day Weekend
Aug 31, 2024
Labor Day
Sep 2, 2024
Veterans Day
Nov 11, 2024
Thanksgiving Break
Nov 27, 2024
Thanksgiving Break
Nov 28, 2024
Thanksgiving Break
Nov 30, 2024
Christmas Break 2024
Dec 24, 2024
Christmas Break 2024
Dec 25, 2024
Christmas Break 2024
Dec 26, 2024
New Years Holiday
Dec 31, 2024
New Years Holiday
Jan 1, 2025
New Years Holiday
Jan 2, 2025

Hours of Operation

Instructional Hours

Mon - Thu
2:00PM - 7:00PM
Sat
11:00AM - 3:00PM

Office Hours

Mon - Thu
12:00PM - 7:00PM
Sat
11:00AM - 3:00PM
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Summer Programs

Make Mathnasium Part of Your Summer Plans.

What makes Mathnasium different from other tutoring programs?

Learn About the Mathnasium Methodâ„¢

The Mathnasium Methodâ„¢

Why Choose Mathnasium?

Face-to-face Math-Only Instruction

In-Center or online, our instructors work face-to-face with your child to focus on their unique math learning needs.

Customized Learning Plans

We create a customized plan to meet your child's unique educational needs and goals.

Math is Fun at Mathnasium

We have engaging instructors, awesome student rewards, and a fun learning space.

Schedule your math skills assessment today

Latest News & Posts

Fourth of July Holiday Closure Notice

Jul 2, 2019 | Diamond Bar

Dear Mathnasium Parents,   Mathnasium of Diamond Bar will be closed Thursday, July 4th, in observance of Independence Day. We will resume our normal business hours on Saturday, July 6th.    We hope you enjoy your time off! We lo..

Easter Closure for Mathnasium of Diamond Bar

Apr 18, 2019 | Diamond Bar

In observance of Easter, Mathnasium of Diamond Bar will be closed this Sunday, April 21st. We will resume our normal business hours on Monday, April 22nd. We hope you enjoy your time off! We look forward to seeing you soon. (image source: ..

Upcoming Events

Make It A Mathnasium Summer!
May 10, 2024 - Aug 31, 2024
July Fun at Mathnasium!
Jul 1, 2024 - Jul 31, 2024
More Events brn