Applied online and emailed my Resume to the email id present in the description for GTA applications. Been interviewed through Skype (since I was out of town) . It is mostly an interactive talk regrading my experiences with various technologies. Experience working on web development technologies like html, css, java script.Got to know the result within 3 weeks.

Department and grad school take the decision regarding with GRE and undergrad GPA score. previous research experience will be help little. International student should submit good TOEFL score. Some time graduate admission committee call for a short interview.