University of Southern Indiana

Tk20 Payment

If this is your first semester or you are a student not near completion of a degree program leading to a teaching certification or an advanced program for teachers at USI, you must purchase Tk20. You may purchase Tk20 through the USI Bookstore or from the Tk20 website.

USI's Bookstore Information:
Tk20 may be purchased at the USI Bookstore, but please note that the price may be higher at the book store. Purchasing through the USI Bookstore will allow students to get requisite compensation from financial aid, if eligible. Please contact bookstore concerning cost of Tk20 purchase

Pay NowTk20 Direct Purchase information:
Tk 20-paynowTk20 may be purchased from USI's Tk20 site. The cost when purchased from the site will be $100.00. USI's Tk20 site is a secure website. Use Visa or MasterCard to purchase Tk20 directly from the company.  Click the “Tk20 Pay Now” button found on this page to make your purchase. 

Cashier's Check/Money Order Direct Purchase Information:
You may also pay by mail via a cashier's check or money order. The cost for Tk20 will be $100.00. Use the Tk20 Pay Now button for direct access.

Student subscriptions will be effective for seven years from the date of purchase.


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  • Evansville, IN 47712
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