Artists at Studio in a School Consider Joining a Union The artists and some staff at the organization, which teaches art to school students, would join workers at other New York cultural institutions who have joined unions in recent years. A “Studio in a School” art installation at Christie s in New York City in 2017. The organization’s instructors teach drawing, painting and print making to about 30,000 students.Credit.Patti McConville/Alamy March 9, 2021 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.