Asociación Escuelas Lincoln – an English-language school in BA province – is a thriving, academically rigorous institution comprising a diverse community of students and teachers. But that unique make-up creates its own set of unique challenges. Every Friday in Gregory Hines’ fourth-grade classroom includes independent reading time. Hines firmly believes in fostering diversity and bilingualism and encourages his students to bring books in their home languages. Many wills, of course, read books in English…