Swanigan is ranked 18th nationally in the class of 2015 in 247.com's composite rankings.
Purdue's front-court was a strength in 2014-15, with seven-footers A.J. Hammons and Isaac Haas sharing minutes at center. Both Haas and Hammons return in 2015-16.
Swanigan, who attends Homestead Sr. High School, was Indiana's Mr. Basketball in 2015.
- Alex Putterman