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Supporting educators and parents of children with Learning Disabilities.

The Canadian Academy of Therapeutic Tutors CATT-OG

Considering certifying in the Orton Gillingham (OG) approach so that you can help children with learning differences?

Looking for a certified OG practitioner to support your child with dyslexia, dysgraphia, dyscalculia or other learning difference?

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Find a Tutor

Research how to hire an O.G Practitioner, and to access our certified Practitioner referral service. 

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Practitioner Training

Find out how to train as an OG Practitioner and get information on CATT-OG certified training centres.

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CATT-OG Membership

Learn about the benefits of joining CATT. Membership types, renewal and application information. 


Curious to know more about Dyslexia? Watch this short video.

CATT-OG is the Canadian certifying body, providing practitioner training and support to O.G practitioners in Canada and elsewhere. 

We follow the Orton Gillingham (OG) approach to supporting learners in individual or small group environments. OG is a research based approach that is supported internationally as an effective way of supporting struggling learners. For more information on the OG approach click here.