According to the UMD Registrar Web site, to attend one semester in the 2008-2009 school year, Minnesota residents pay $4,115 in tuition for 13 or more credits and $5,115 for non-residents. Just 10 years ago, resident students attending UMD for the 1998-1999 school year paid as little as $1,110 for 13 credits and $3,275 for non-residents.…