Residence and Migration of College-Going Students
Number of first-time freshmen imported from other states/Number of first-time freshmen attending college out-of-state (import/export ratio). 1—imports and exports are the same, >1—import more than export, <1—export more than import. These data include all first-time freshmen – not just those attending directly out of high school.
The U.S. Department of Education, National Center for Education Statistics. Residence and Migration of All Freshmen in Degree-Granting Institutions. http://www.nces.ed.gov
Data are reported for 1994 to most recent—biennially. See the source listed for more data and information.