Cornerstone Psychological Services - Thornhill

We are Psychologists located in Thornhill, Ontario.  Our services include Psychoeducational Assessments, Psychological Assessments, Giftedness Testing, and many other psychological services.

We are conveniently located in the Promenade Mall near Bathurst and Centre Street in Thornhill, Ontario.

We put the "A" back in leArn

Contact Us

416 284 5923

1 Promenade Circle Suite 313C (Promenade Mall),
Thornhill, ON, L4J 4P8


Monday to Friday 9:00 am to 5:00 pm

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