# SoCal Mental Math Education Center, Diamond Bar campus

> Math class · Diamond Bar. An abacus and mental math school with campuses in Diamond Bar and San Marino (and Irvine), teaching small groups from beginner abacus to competition-level mental arithmetic. Classes are by appointment.
- Ages: 4–14
- Price: ask the provider
- Sign-up: Registration open
- Address: 3203 S Brea Canyon Rd, Suite A, Diamond Bar, CA 91765
- Website: http://socal-mentalmath.com
- Phone: (909) 616-1489
- Email: Info@socal-mentalmath.com
- On Summerground: https://summerground.com/diamond-bar/socal-mental-math-diamond-bar
- SoCal Mental Math Education Center’s other locations: [San Marino campus](https://summerground.com/san-marino/socal-mental-math-san-marino.md)

## Abacus Beginner

Ages 4–7

Every student starts with a placement assessment, and a free trial class is offered. Classes are available by appointment on a first come, first served basis.

- every school day, 1–6pm
- Saturdays & Sundays, 8am–4pm

- Sign up: http://socal-mentalmath.com/contact.html

## Mental Arithmetic

Ages 7–11

Every student starts with a placement assessment, and a free trial class is offered.

- every school day, 1–6pm
- Saturdays & Sundays, 8am–4pm

- Sign up: http://socal-mentalmath.com/contact.html

## Advanced and Competition Class

Ages 10–14

- every school day, 1–6pm
- Saturdays & Sundays, 8am–4pm

- Sign up: http://socal-mentalmath.com/contact.html

Details from http://socal-mentalmath.com/classes.html, checked October 7, 2026. Confirm prices and dates with the provider before signing up.