"Enrollment of Carlton County School Enrollment and Attendance, All Available Years: by Grade" ,2004/2005,2005/2006,2006/2007,2007/2008,2008/2009,2009/2010 Primary (K-6),"3,552","3,023","3,100","3,135","3,226","3,277" Secondary (7-12),"3,083","3,045","2,980","3,010","2,966","2,882" Sources: Minnesota Automated Reporting Student System SUMN Web Site: http://sumn.org