The Olga Dunn School of Dance will host an open house and registration day from 3 to 6 p.m. Friday, Sept. 2, at its location in the historic Great Barrington Train Station, 46 Castle St.

Classes are available for ages 3 to teen to adult in a multitude of styles including modern, hip hop, Afro, musical theater, ballet, preballet, pointe, and adult exercise.

Information: 413-528-9674.