Performance records are exempt from disclosure and qualify as personal information in confidential personnel records. Am. Civil Liberties Union Foundation of Iowa, Inc. v. Records Custodian, Atlantic Cmty. Sch. Dist., 818 N.W.2d 231, 232 (Iowa 2012); Des Moines Indep. Cmty. Sch. Dist. v. Des Moines Register & Tribune Co., 487 N.W.2d 666, 670 (Iowa 1992).