Walk into any classroom with students learning English, and you’ll likely see a complex tapestry of linguistic diversity.

Dmitri Simashev and Daniil But are figuring out how to play at the NHL level — and they’re doing it in a new language.

When I started teaching in California’s public schools 30 years ago, it was the beginning of the so-called English-only movement. “Qualified teachers” for multilingual learners were chosen to teach if ...