Recent rankings place the Computer Science Graduate Program at IU among the best in the US.

According to NSF, CS@IU Bloomington is ranked 12th among the Computer Science Graduate Programs in the US with respect to federal funding support.

https://ncsesdata.nsf.gov/herd/2014/html/HERD2014_DST_35.html

USNews Global Rankings list CS@IU Bloomington among the top 36 Computer Science Graduate Programs in the US. Unlike the older USNews ranking which is based on surveys, this ranking is based on several key measures such as publications, impact, research expenditure, etc.

http://www.usnews.com/education/best-global-universities/search?country=united-states&subject=computer-science&page=4

Finally, csrankings.org rank CS@IU Bloomington 38th among Computer Science Graduate Programs in the US. This ranking is based solely on the number of publications in the top 2-3 conferences in each subfield.

http://csrankings.org/