The Ottawa Regional Science Fair (ORSF) is an entirely volunteer-organized event, and registered charity, aimed at encouraging students in the Ottawa-Carleton area from grades 7-12 to engage in Sciences, Technology, Engineering and Math (STEM). Each year, they host a fair where over 120 students can present their projects to be judged, with a chance to win various prizes.

The Ottawa Regional Science Fair (ORSF) is an entirely volunteer-organized event, and registered charity, aimed at encouraging students in the Ottawa-Carleton area from grades 7-12 to engage in Sciences, Technology, Engineering and Math (STEM). Each year, they host a fair where over 120 students can present their projects to be judged, with a chance to win various prizes.