In a decision that prompted tears from attending parents, Grass Valley School District's board of trustees voted unanimously to hand Hennessy Elementary campus over to the district's own public charter school.The decision represented the culmination of a month - preceded by months of committee work - of public meetings regarding district consolidation in light of dwindling enrollment and continued state funding slashes. "We sat here for two long evenings and listened to the public - teachers, parents, some kids - and listened to their priorities," said board member Jeanne Mitchell. "After all the moving and shuffling is done, I think there …