234 N.W.2d 806 DAVID SKEIM AND OTHERS v. INDEPENDENT SCHOOL DISTRICT NO. 115 AND OTHERS. No. 45397.Supreme Court of Minnesota. October 10, 1975. Schools and school districts — tenured teachers’ refusal to teach on holiday — contractual obligation. In plaintiffs’ action for injunctive and other relief against defendant school district and school board members, held: […]