Need help in choosing the university for Masters in computer science

I need a help in taking a decision.I got admit from 3 universities in computer science they are cal poly pomona,UT Arli

How did you write SOP in a great format & with excellent vocabulary?

Please give any resources you relied on. There are many websites explaining format in brief but how did you guys write 2

Any suggestions to shortlist my Universities according to my profile??

GRE - 321TOEFL -99CGPA - 8.35Currently working in Servicenow as Tech support engineer. Total work ex - 3 yearsUnder

How much does work experience matter to universities for masters ?

I have 3 years of work experience as a software engineer. Currently working in HCL . I have a low gpa . Please suggest m