Research Internships/Programs

<p>If you attend a school which enables you to have high school and undergrad status concurrently, is it better to do high school research internships (e.g. RSI) or undergraduate ones (e.g. REU/SURF Programs) in terms of undergraduate admissions? </p>

<p>Also, do you have a competitive edge if you apply to a university's undergrad program having done research at the university?</p>