In what appears to be a unique arrangement, the New York City teachers’ union is teaming up with a Los Angeles-based charter schools organization in the hope of starting a new school.

The June 28 announcement by the American Federation of Teachers affiliate in New York and Green Dot Public Schools, a high-profile charter-management organization, was striking, given the often acrimonious relationship between the charter movement and teachers’ unions. Teachers in most charters are not unionized.

But the United Federation of Teachers already runs two charter schools in New York City. And all of Green Dot’s 10 charter high schools in the Los Angeles area are unionized, though they have their own contracts separate from larger collective-bargaining agreements.

Read it all at Education Week