You can certainly continue to play in orchestra and chamber groups in college, and some schools even offer students free (or inexpensive) private lessons. You generally don’t need to be a music major for these opportunities. Another option might be to minor in music.
As you visit schools that you’re interested in, you could make it part of your tour to talk with someone in the music department and find out exactly what each school’s opportunities and policies include. And after college, many adults continue playing music in community orchestras and ensembles!