The OSS Invitational, also known as the Orlando Science Schools Invitational, is an invitational tournament hosted by Orlando Science Schools in Orlando, Florida. The tournament is open to both divisions, although the divisions compete on separate days.
|Division B Champion||Orlando Science Middle School (October)|
|Division C Champion||Orlando Science High School|
|Date||October 19, 2019 (B), November 23, 2019 (C), December 14th, 2019 (B)|