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The school system in Aurora, Colorado, is striving to accommodate more than 3,000 new students mostly from Venezuela and Colombia. Teachers have been helping them by translating vocabulary and handing out written instructions in Spanish.

As record numbers of South Americans come to the U.S. seeking better economic opportunities, many are landing in communities that are unprepared for them — and sometimes outright hostile. Many migrants have also been unprepared for the realities of their new home.

Over the past two years, an unprecedented number of Venezuelans have traveled to the U.S. border, seeking a better life. They've found themselves in American communities roiling with conflict about how much to help newcomers — or whether to help at all. These migrants are unable to legally work without filing expensive and complicated paperwork.