You may find English difficult to speak if you don’t use it every day. You may know all the grammar rules and a variety of words. But you fail to use them during the conversation. So, why does this ...

In a small room in Philadelphia's school administration building, Rosario Maribel Mendoza Lemus, 16, sits in a corner, rubbing sweaty palms on her jeans. In front of her is a binder with a test she ...