If they are interested in you they will contact you. If they are there watching a travel team play, showcase team, they make sure the players they like know they like them. What's the point of going to watch players if you are not going to reach out to the one's you like? It simply doesn't work that way. When a college coach goes to a showcase event they take notes on the players they like. They get all the contact information for the one's they like. They seek out the coaches of the players they like. That's the whole point.
It's not the showcase team's coaches decision on who likes their players or not. It's not their call on where to steer their players with college coaches. In other words I have a kid who UNC is very interested in after watching him play. They ask me about the player. "Oh he can't play for you guys." "Your not a good fit for him." They evaluate the players you put on the field. They decide if they think the player can play for them. They reach out to the player and family. They will evaluate him to the degree they feel they should. I can have my own opinions. But that is shared with my players and players family. That's who I represent.
In other words "I know they like you and want to offer. And I know ________ is going to offer you as well. In my opinion looking at both rosters and your abilities I think _________ is the best fit for you. But you guys are going to have to weigh all the factors and go where you feel the best fit for you is." I am never going to share that conversation with those college coaches.
You are going to have players who every time you play there is interest. You are going to have players that only will get interest from a certain level of coaches present. You are going to have players that are marginal for one level but not marginal for another. College coaches will let you know what they think. If there is interest you will know it. And if there is not you will know it. Seeking out coaches to let them know you are interested in them would work in the following scenario. Your so darn good that they don't think there is any need to even bother. Because they are sure you are above their ability to get you. You made their day by letting them know you would be interested. Outside of that if they love you they will kiss you.
Yes I have had kids sign that I believed it was over their head when coaching showcase teams. And yes sometimes I was right. And yes sometimes I was wrong. But that's not my call with those college coaches. They get paid to evaluate the players I put on the field. They get paid and keep that check coming by making good decisions based on their opinion not mine. They might ask an opinion and I learned a long time ago "You saw him play. Your going to have to make that call." And I believe in being brutally honest with players and families. But also letting them know that it is their decision and they have to make the call they believe is best for their son.
I have sat and will sit with many college coaches from all levels when evaluating players at showcase events. When they like a player they want that player to know. And they make sure he knows. And the comments range from "No need for me to even talk to that kid he's one of yours Johnny." Ref D2 coach to major D1 coach. Never have a heard a coach say "I really like that kid but I just don't know how to get the word back to him." Or "I really like that kid but his showcase coach doesn't think he can play for us. So were going to back off."
Some coaches opinions carry weight. It could cause a coach NOT to come see a kid. But once seen and liked no one gives a rat's a__ if you don't think he can play for them. They do their own evaluating that's what they get paid to do.
Contacting the schools you are interested in? By all means. Seeking out the coaches present at events who are evaluating players? Nope. If they like you they will seek you out. Unless your a freaking stud and a certain D2 coach is there. Please go find him and let him know your available.