By William LoefflerOn Oct. 5, representatives from 3M Cottage Grove surprised teachers and students at Grey Cloud Elementary School with the announcement that they would fund more than 90 of these projects throughout the district.The assembly, held in the school gym, resembled a pep rally, with the students cheering for each teacher whose name was announced.3M contributed a total of $81,118.62 to DonorsChoose.org projects in 21 schools.Read the full story on Woodbury Bulletin.