Working Interpreters: Use these programs to enhance your knowledge and use of classifiers. Treehouse Video is an RID Approved Sponsor for the Certification Maintenance Program. Earn RID Professional Studies CEUs by using these materials. These CEUs are also recognized by state licensing entities. Want to try before you buy? Add the Free Mini Course to your shopping cart and earn 0.1 CEUs free!

The entire series is now available online.

We recommend using a large screen device (desktop, laptop or large tablet) to use the material. We cannot guarantee performance on small screens or smartphones.