The 6-foot-3, 195-pound junior was a Jake Reed Nike Blue Chip and Philly Lacrosse Showcase Gait Fab 40 All-Star selection last year.
Carrigan plays club lacrosse with the Long Island Express.
E-mail lacrosse editor Mike Loveday at Michael.Loveday@espn.com with commitments. Please include any information you would like included in the story, including other schools considered and post season honors. Follow ESPNHS Lacrosse on Twitter @ESPNMike.