 Pari gbolohun yii: Ni Oṣu kọkanla ọjọ 24, ọdun 2009, Campbell ti yọ ero rẹ ti ẹnu lati ṣere Hockey Division 1 fun Ile-ẹkọ giga ti Michigan Wolverines lati le ni ẹtọ lati ṣere ni OHL. Nipa ipari awọn akoko meji rẹ pẹlu NTDP, Campbell ti ṣeto igbasilẹ iyasọtọ tuntun fun awọn ibi-afẹde ti o kere julọ si apapọ ati ọpọlọpọ awọn shutouts ni iṣẹ kan. O tun gba ami eye goolu fun Team USA ni 2009 IIHF World U18 Championships ati : 2010 IIHF World U18 Championships. Nípa bẹẹ, wọn mú Campbell ní ipò kọkànlá lápapọ láti ẹgbẹ agbábọọlù Dallas Stars ní ọdún 2010 NHL Entry Draft. Campbell tun ti yan ni ipele keje 170th lapapọ nipasẹ Dinamo Minsk ni 2010 Kontinental Hockey League Junior Draft. 