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In observance of the 2024 holiday season, Sage offices will be closed Monday December 23rd through Wednesday January 1st. Normal operations, including shipping for orders placed during the closure, will resume on Thursday January 2nd. For technical support during this time, please visit our technical support page for assistance options. 

We wish you a wonderful holiday season. Thank you. 

Jon W. Wiles

Jon Wiles is a highly experienced educator who has provided curriculum leadership to schools and educational agencies for over thirty years. His specialty is the creation and implementation of curriculum plans. Wiles’s work as an educational consultant has taken him to hundreds of agencies in more than forty states and a dozen foreign nations in Europe, Asia, Africa, and the Caribbean.

Wiles is the author or coauthor of twelve widely used books addressing curriculum and educational leadership. His text, Curriculum Development: A Guide to Practice (Seventh Edition), has been used for nearly thirty years in colleges and universities throughout the world to train curriculum leaders. Other areas of publication by Wiles include teacher training, administration, school supervision, theory of change, politics of education, middle grades education, and technology.