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
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
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.