My son is in freshman year so could somebody guide me for STEM summer program

Hello All,
My son is in the freshman year in Katy,Tx.
I am looking for some kind of information about summer school. He wants to go for engineer stream line. When I checked on website UTAustin are offering few programs in the villa ratio of few more university .
Can somebody help me out … That how and which program would be really helpful for him to get an admission in IV leAgue colleagues .
I want him to pursue something very interesting as well as developing his strength.