Schools in US prefer students to have the followings:
-High level of English
-Good grades
-Good test scores
-Outstanding extracurricular activities
-Good interview
-Good essays
You need to keep closely in touch with your child's advisor so that you are aware of what is going on in your child's life. This way you can also alert his host family if something needs attention. Yes, you will need a counselor for high school to follow the academics/extracurricular that your child is doing, as well as applying to college - preferably someone who has studied in the US before.
