Twenty-five years ago, West Marin engaged in an impassioned debate about whether to change the name of Tomales High School’s sports teams—the Braves—and abandon its mascot, a Native American in a feathered headband. 

After 18 months of debate and discussion, the Shoreline Unified School District board settled on a compromise: The name would stay, but the mascot would go. Now, a quarter of a century later, the name is finally poised to change.

A…