Can we book visa slot with one i20 and then change to other?

I have i20 from a few school, namely NCSU, ASU and others. And I am still waiting for i20 from TAMU. But TAMU is taking

Texas A&M, College Station vs University of Southern California for MS in Data Science

I have received admits from both TAMU and USC for MS in Data Science and MS in Applied Data Science respectively. Which

University of Texas at Arlington-MS in Cs

Did anyone deffered their admission from Spring to Fall22?

I am not sure which one to select for electrical engineering

1. Technical university of Denmark2. University of MinnesotaCan someone please help me with this Thanks in advance