We didn't think we were particularly unique until we started looking around at other teams. Our robot was 104% built by High School students. No engineers, no college students, no teachers, no adults, no nothing. We have a couple of teachers/adults that are there to answer questions if and when we ask them b/c we're stumped or we don't know how to use some tool, but other than that all of our adults are basically completely uninvolved and of the mentality that we'll learn more doing something poorly on our own than watching them do something well. I've yet to see or hear of another team that's as completely student run as us.
Furthermore, we have nobody on our team or involved with our team that has ever been involved in FIRST in any way before this. No mentor team, and nobody joining us after branching off of another team. So we're more or less coming completely out of nowhere. It doesn't get much more rookie than this.
BTW, the 104% student built comes from the fact that when we had to cut 20 lbs in the final 12 hours of building, we did call on some adult man-power to help turn our robot into swiss cheese (we had 3 chassis punches going at once on the ball chute in the middle and we just needed more hands) . But since that was removing material, we actually had students construct more of our robot than is actually there.