Phone
Toll-Free: (800) 728-0032 Fax: 212-825-1315
Mon-Fri: 8:30AM-5:30PM EST
Knowledge Delivery Systems, Inc.
110 William Street
32nd Floor
New York, NY 10038
For questions about KDS' professional development offerings or our online learning solution,
please write to info@kdsi.org.
If you are experiencing difficulty purchasing or using the online classroom,
please write to support@kdsi.org.
To discuss your school or district's professional development program needs,
please write to sales@kdsi.org.