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Spring Semester Hours

Monday: 1:00pm - 6:30pm
Tuesday: 1:00pm - 6:30pm
Wednesday: 1:00pm - 6:30pm
Thursday: 1:00pm - 6:30pm
Friday: 1:00pm - 6:30pm

Saturday 9:00am - 5:00pm

Closed on Sunday

Please check our calendar for special hours

Contact Us

Diamond Bar

Tel: 909-860-9345

Email: office@keystone-education.com

Tel: 626-918-1239

Email: office@keystonewestcovina.com

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