Louisiana
High school: 45th out of 50 (percentage of population 25 years old with a High School diploma or higher)
Undergraduate: 46th out of 50 (percentage of population 25 years old and over with Bachelor's degree or higher)
Post-graduate: 47th out of 50 (percentage of population 25 years old and over with an advanced degree (Master's, Doctorate, etc)
http://en.wikipedia.org/wiki/List_of_U.S._states_by_educational_attainment