NY Times: IZÚCAR DE MATAMOROS, Mexico — Jeffrey Isidoro sat near the door of his fifth-grade classroom here in central Mexico, staring outside through designer glasses that, like his Nike sneakers and Nike backpack, signaled a life lived almost entirely in the United States. His parents are at home in Mexico. Jeffrey is lost.

When his teacher asked in Spanish how dolphins communicate, a boy next to him reached over to underline the right answer. When it was Jeffrey’s turn to read, his classmates laughed and shouted “en inglés, en inglés” — causing Jeffrey to blush. Read more.