It uses his "Kumon Method" to teach mathematics and reading, primarily to young students.

Inspired by teaching his own son, Takeshi, Kumon developed a curriculum focused on rote memorization.

[4] In 2008, Kumon had over 26,000 centers around the globe with over 4 million registered students.

[7] Kumon is an enrichment or remedial program, where instructors and assistants tailor specific instructions for individual students.

[9][10] Psychologist Kathy Hirsh-Pasek says that using such techniques for 2 to 12-year-olds "does not give your child a leg up on anything".