Workers and artists at Studio in a School, a nonprofit group founded more than 40 years ago to teach art in public schools, have organized an effort to join a union.
The National Labor Relations Board will send ballots to eligible employees on Friday, the first step of an election by mail to determine whether Local 2110 of the United Auto Workers will represent a handful of full-time administrative staff and about 100 artists who work as part-time instructors with one-year contracts.