He will not have trouble finding friends. My kid chose a school based on weather and sports and no interest in Greek life. Plenty of friends and a very diverse group.
Two older siblings also went to large sporty schools. Both did Greek. Both were also pretty much done with it after junior year. It takes up a lot of time and both wanted to focus on their academics, part time jobs and socialize with their actual close friends rather than have compulsory meetings and parties. It can also be very expensive especially in