• Keystone Education

New Students Save $60

Updated: Apr 5, 2018

ACI Diamond Bar is now Keystone Education! In commemoration of our new name we are offering a $60 discount* for all new students. This offer can be used for Spring or Summer semester registration!

Take advantage of this limited time opportunity, and see why for over 20 years, we've been trusted by countless students for their educational development.

Call to schedule your FREE consultation and evaluation now!


*Waived registration fee ($60 value). Offer ends May 6, 2018.

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😷 COVID-19 Update

Keystone Education will be opening the Fall 2020 semester with distance learning. Until further notice by the state of California, all schools in Los Angeles County cannot offer in-person instruction.

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Tel: 909-860-9345



660 N. Diamond Bar Blvd. #168 Diamond Bar, CA 91765

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