@SarahM456 You can find competition anywhere, and collaboration as well. It just depends on who you choose to associate yourself with, not the university itself. As other posters have stated again and again, be thankful that your professors are willing to take the time to talk to you and follow-up regarding HW: it’s their responsibility to make sure you have the tools you need to succeed, and knowing when and if you need help is one of them. 