The Sonday System materials and training are provided by the publisher, Winsor Learning.
See below for Winsor Learning's contact information.
The Sonday System is being used all over the world. It’s an Orton Gillingham curriculum designed by Arlene Sonday and Karen Sonday, our owner, to be used in the classroom. The Sonday System offers materials for both regular (Sonday System Essentials) and SPED (LPL, SS1, SS2) classroom settings.
Orton Gillingham Reading Specialists does not sell Sonday System materials or provide Sonday System training. This contact information is provided for your convenience.