NACLO 2009 — North American Computational Linguistics Olympiad

University of Wisconsin–Madison site


What is NACLO?

NACLO stands for the North American Computational Linguistics Olympiad. It is a contest for high-school (and younger) students to solve problems relating to linguistics and computational linguistics. No prior knowledge of linguistics or second languages is required. Students may participate at their high school or at a nearby university site. This year, the University of Wisconsin–Madison will be a local site. The open round of the contest will take place on Wednesday, February 4. Well-performing students will be invited to a second round to be held on March 11. The top students in the second round will have a chance to participate in the 7th International Linguistics Olympiad in Wrocław, Poland. More information about NACLO can be found at the the official site.


Participation is free. Students who are interested in can register at the NACLO registration site.

Where is the UW-Madison site?

The UW-Madison site will be located in Engineering Hall, room 2345. Engineering Hall is located at 1415 Engineering Drive, Madison, WI 53706 on the UW campus (map). Engineering Hall is a large building. To avoid getting lost, please enter the building here, then come here.

When should I arrive?

The contest starts at 9 am sharp and goes until 12 noon, on Wednesday, February 4. Please arrive early, at about 8:30 am.

Sample questions

Some sample questions for practice are available here and here.

Local organizers

Please contact us if you have questions:
  • Jerry Zhu (
  • Nate Fillmore (
  • Important dates

    February 3, 2009
    Deadline for registration

    February 4, 2009
    Open Round

    March 11, 2009
    Invitational Round


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