Mich. Charter Awaits Vote on Union

Some 30 teachers at an American Indian charter school in Michigan will vote later this month on whether to shrug off their year-old affiliation with the National Education Association and its state organization.

Leaders of the Sault Ste. Marie Tribe of Chippewa Indians have said they would shut down the school as a charter entity rather than accept a union. The Michigan Education Association affiliate is a blow to tribal sovereignty, according to tribal leaders. And it runs against the tribe’s attempts to keep other unions from organizing at tribal casinos.

“Teachers have an understanding of what’s at stake and what would be jeopardized if they did allow the union to remain in the school,” said Nick Oshelski, the superintendent...