The Woburn Challenge 2019 on-site finals was our most exciting contest yet! We witnessed 18 teams from 13 schools battle it out for the coveted title of Woburn Challenge Champion. In the end, the top team from University of Toronto Schools took home a senior division victory, thanks to making the most headway on both of the difficult final two problems. Meanwhile, the junior division saw several teams on the cusp of perfect scores, but with only William Lyon Mackenzie C.I.'s team finally able to achieve it and secure their victory!

The senior division prizewinners are:

William Li, David Tang, and Andrew Marin of University of Toronto Schools ($250)
Keenan Gugeler, Ethan White, and Tony Xia of Waterloo Collegiate Institute ($200)
Brian Chau of Woburn Collegiate Institute ($150)

The junior division prizewinners are:

Evan Zhang, Yi Deng, and Jeffrey Gao of William Lyon Mackenzie Collegiate Institute ($150)
Robert Chung of Woburn Collegiate Institute ($100)
Lily Cao, Rayton Lin, and Andrew Xue of Earl Haig Secondary School ($50)

Congratulations! For all online-round prizewinners who could not join us today, we will be getting in contact with your teachers shortly about sending your prizes by mail. We truly hope that you enjoyed tackling all the problems which we have prepared with love. Thanks to all the helping hands that made this event possible, as well as contestants and teachers alike, who stayed with us through to the end of the season.

We hope you enjoyed the last round of the season and look forward to bringing you many more exciting challenges in the future!

See the full contest results including problems, solutions, and test data.