Colleges love to see this type of serious career exploration. Your unpaid internship indicates that you are mature, responsible, and serious about your plans for the future. You will save time and money if you can start to narrow your career options and focus your academic plans before you enter college.
In addition, as you enter new environments and interact with your mentors, you will build your communication skills and your self-confidence. These areas directly impact your success in college and the work world. What areas can I explore in my internship?