Dave Robles, an elementary school teacher from New York City, uses rap beats to help his students learn grammar lessons.

A century of research shows that traditional grammar lessons—those hours spent diagramming sentences and memorizing parts of speech—don’t help and may even hinder students’ efforts to ...

In response to my column highlighting amusing errors, a reader questioned my emphasis on proper grammar. "I enjoy reading your column," he wrote, "and I do try to write succinctly. However, in ...