Tk20 will be unavailable beginning 9:00pm - 10:00pm CT on February 12th, 2016 due to scheduled maintenance. You will not be able to log in during these times. Please address any questions to your System Administrator or contact Tk20 Customer Support at

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For questions regarding this system, please contact your system administrator:

Administrator: Dr. Karen Woolcock Rodriguez
Phone: (787) 766-1912, ext. 2301