Any modern browser should work to access the site. We support the last two stable versions of Firefox, Chrome, Opera, Safari and Edge.

Our video content is hosted on Vimeo.

You can get a sneak peek here at examples of materials that we have on the site. This includes a full course list, sample videos, sample lessons and resources.

If you can download PDFs and view videos on the above "sneak peek" link, then your teachers will be able to do so as well.

Teacher access to the DTA is simple. Teachers are able to log in using simply an email address and a self-chosen password. Students do not have any direct access to the site and we do not collect or store any student information.

If you'd like a test account so you that you can see behind the paywall, contact and we can assist you.

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