Science Olympiad at the University of Pennsylvania 1st annual invitational

Penn’s first Science Olympiad invitational drew over 600 high schoolers from various states

http://www.thedp.com/article/2017/02/first-science-olympiad-invitational

http://www.pennscienceolympiad.org/coaching/

I attended this, and though I have been to many science olympiad invitationals before, this one was by far my favorite. The tests were just the right difficulty and there were no mistakes during award ceremony.