US generally requires 16 years of education (12+4).
Academic Percentage : 58% and above with minimum backlogs
Acceptable scores of Standardized Tests GRE : 300+, GMAT : 500+, TOEFL : 79, IELTS : 6.5 overall band
Other factors that are looked into are the extra curricular activities that the student has been involved in, the research that the student has done in his particular subject. His documents such as Resume, Letters of recommendation & Statement of Purpose are
also very crucial and have to be drafted very effectively.