South Dakota School of Mines And Technology

While SDSM&T may not have the renown that some of the bigger US universities have, it focuses on a few things and does them well, for a fraction of the cost. The rigorous academic and professional development programs put the best companies within your reach. And while the computer science program admit read full review

While SDSM&T may not have the renown that some of the bigger US universities have, it focuses on a few things and does them well, for a fraction of the cost. The rigorous academic and professional development programs put the best companies within your reach. And while the computer science program admittedly has a smaller range of electives than you could find at another university, SDSM&T makes up for it with its low student to faculty ratio. This gives you easy access to the professors, who really care about their students' career development. 
A highlight at SDSM&T are the numerous student organizations. There are organizations for a host of diverse interests from professional societies to the ski & snowboard club, which means that there's always something you can get involved in.  show less

If you want to invest less and gain more out of it, then School of mines is the best school. Most of the graduate student get scholarship which is hard to achieve in other USA universities.