2017 NACLO at Stanford University

Registration for NACLO 2017 is CLOSED.

Thank you for your interest in the North American Computational Linguistics Olympiad!  
The NACLO competition is for high school students (as well as middle school students who are looking for this kind of experience).  It consists of two rounds: the Open Round and Invitational Round. The judges expect that about one hundred contestants will advance from the Open to the Invitational Round.

Open Round (January 26, 2017)

The Open Round is open to all interested middle school and high school students; its purpose is to identify strong contestants who will advance to the Invitational Round. 


  • Onsite registration will start at 8:15 AM Jan 26th. It is important to arrive early!
  • The contest will start at 9:00 AM sharp Jan 26th, and will end 3 hours later at 12:00 PM Jan 26th.
  • The contest will be held in Rooms 202 and 204 of the Packard Electrical Engineering  building in the Stanford campus. 
  • A map can be found here.
  • Information about parking in Stanford can be found here. There are two visitor parkings close to Packard, in The Oval and the Museum near Cantor Arts Center.
  • Please bring your own black pen -- all solutions must be written in pen. Scratch paper will be provided.
Please keep checking out this webpage regularly for updates!

Invitational Round (March 9, 2017)

The problems in this round are harder than the Open Round problems. The purpose is to select national winners, who will be eligible to participate in the international competition, the International Linguistics Olympiad (ILO).

Please direct questions for the Stanford Site to stanford.naclo [at] gmail [dot] com