Kumon Math and Reading Center of Diamond Bar

My little daughter likes Kumon (Diamond bar center), she likes to study here very much. In just two months, when she was just five years old, she also got an honor and was grateful for everything...

Dont try to send kids to here.!!! This owner had a very bad attituded to customers or kids. She wont refunds or prorations if her office CLOSED for office meeting. She owned a Chino hills and...

What a nightmare! Terrible customer service. I've been trying to schedule a simple assessment (required by the center before signing up for classes) for the last two weeks. I've called many times...

Mrs. Matoba is amazing! My kids went there for many years and were placed in advanced math in High School. She and her staff gave my kids the tools they needed to become critical thinkers in the...

My kids grades have improved since going there. They had terrible math basics, now it has helped them to have really good foundation to help them excel in pre algebra. Grateful for Mrs. Yamada and...