NACLO 2019

  • September 7, 2019Registration for 2020 will start on or around September 15, 2019.

    Student registrations are not carried over from one year to the next. If you are a student and had registered prior to September 15, you will need to register again from scratch.

    Site registrations (high school and university sites) are automatically copied from one year to the next.

  • August 12, 2019 The dates for the 2020 contest are January 23 (open round) and March 5, 2020 (invitational round).
  • August 12, 2019Excellent performance by the US and Canadian teams at the IOL in South Korea here.
  • April 5, 2019The official press release for the 2019 contest is here.
  • March 27, 2019The problem sets from the 2019 contest have been posted.
  • March 25, 2019The results from the Invitational Round have been released. A press release will follow.
  • February 21, 2019The list of qualifying participants has been released. You can access it here as a text file.
  • January 2, 2019The Canadian Anglophone team at the 2019 IOL will be selected by NACLO. Anglophones in Canada wishing to participate should register for NACLO on this website under the "Students" tab.
  • October 19, 2018The dates for the "Olympiade Linguistique Canadienne Francophone" have been announced. The first round of the OLCF will be held on February 1 2019, and the invitational round will occur on March 22 2019. You can find more information here. Note that the OLCF and the NACLO are different contests.
  • September 24, 2018A NACLO puzzle by Patrick Littell was featured in the Guardian! Take a look at the problem here!
  • September 4, 2018REGISTRATION FOR 2019 IS OPEN NOW.
  • July 8, 2018The NACLO 2019 Student Handbook
  • July 8, 2018The NACLO 2019 Coordinator Handbook
  • July 8, 2018The NACLO 2019 Appendix
  • July 5, 2018 The dates for the 2019 contest are January 24 (open round) and March 7, 2019 (invitational round).

Please Donate

You can help support NACLO either by mailing a check or giving online. For more information on both, please see our donations page. We thank you for your support!

Contact

We're looking for new sites and problem contributors. Please contact us at naclo20org@umich.edu.