Tk20 Clinical Supervisor Resources

Quick Guides and Tutorials:

Things to know:

  • Use your "@tntech.edu" email address as the username and your T-number as the initial password. If you do not know your T-number, please contact the This e-mail address is being protected from spambots, you need JavaScript enabled to view it .

  • To log into Tk20, go to the Tk20 Login page and enter your username and password. Click “Login.”

  • You will be prompted to change your password the first time you log in to Tk20. If you forget, click here to reset it.
  • After logging in, click on the Field Experience tab at the top of the page. Here you will see the list of students you supervise. Click on a student’s name to score any assessments.

  • Avoid using your browser's "Back" button while working in Tk20. Use Tk20's buttons (Save, Cancel, etc.), tabs, and side menu items.

  • Tk20 recommends using the web browser Google Chrome if possible. Internet Explorer tends to cause the most issues with the Tk20 system.

  • Putnam County School System Mentor Teachers' email addresses have been updated to the "@pcsstn.com" extension.

  • All Mentor Teachers' email addresses are in lower case letters.

  • Mentor Teachers are also known as "Cooperating Teachers" in the Tk20 system.

  • For technical issues and general questions, contact the Learning Resource Center (LRC) at 931-372-3856 or email This e-mail address is being protected from spambots, you need JavaScript enabled to view it . The LRC’s hours are listed on their website and emails are answered daily.

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