The International
Dyslexia Association

National Office
8600 LaSalle Road
Chester Building, Suite 382
Baltimore, MD 21286-2044

messages: (800) ABCD123
phone: (410) 296-0232
fax: (410) 321-5069

The International Dyslexia Association (IDA), (formerly the Orton Dyslexia Society), is an international, 501(c)(3) non-profit, scientific and educational organization dedicated to the study and treatment of dyslexia. The IDA was first established nearly 50 years ago to continue the pioneering work of Dr. Samuel T. Orton, who was one of the first to identify dyslexia and its remediation.

We provide free information and referral services for testing and tutoring.

We have 45 branches and 11,000 members in the U.S. and abroad.

We offer memberships (which include a quarterly newsletter, annual journal, discounts on conferences & publications, and much more!), publications, conferences, seminars, and support groups.

Visit the International Dyslexia Association web site for more up-to-date events and other information.

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