Question: What city had 520 student enrolled from 2009-2010 and had a population of 2,231 in the 2010 U.S. census?
Sentence (from "East End, Saint Thomas, U.S. Virgin Islands"): The East End region offers a more secluded character and less population density than subdistricts as Charlotte Amalie, Southside, and the Tutu subdistricts.
Relevant evidence: No