Getting only good scores on toefl,gre would not stand alone to get into good colleges. Your work experience, profile , previous academics, extra curricular activities would also play a very crucial role for the final admit. There are students getting 309-315 on GRE and 95 on toefl, still getting final admit into reputed institutes because of the other listed factors as above. The institute will also ask you questions in the online for as why you want to pursue Masters. Ms, etc which you need to fill tactfully. Your sop,lors will also play an important role in admission.