• General Info
  • About NACLO
    Who are we? What do we do?
  • Handbook
    All you need to know about NACLO in one place
  • Program Committee
    The people in charge of NACLO problems
  • Organizing Committee
    The people in charge of publicity, development, etc.
  • History
    History of Linguistic Challenges
  • Donate
    Help support NACLO
• Students
  • Practice Problems
    Challenge yourself online with practice problems
  • Registration
    Register for the next competition here
  • Login
    Log in to view/edit your information
  • High School Sites
    List of competition sites at high schools
  • University Sites
    List of competition sites at universities
  • NACLO Resources
    Suggested reading, links, etc.
• Site Coordinators
  • High School Site Coordination
    How to be a coordinator for a high school site
  • University Site Coordination
    How to be a coordinator for a university site
  • Home-school Coordination
    How to be a coordinator for a home-school site
  • High School Sites
    List of competition sites at high schools
  • University Sites
    List of competition sites at universities
  • Login
    Log in to view/edit your information
• Past/Future Competitions
  • 2022
    Upcoming Competition
  • 2007-2021
    Problems, solutions, and info from past competitions
  • Practice Problems
    Challenge yourself online with practice problems
• In the Press
  • Current Press
    Coverage of the most recent competition
  • Past Press
    Coverage of past competitions
• Sponsors
  • Current Sponsors
    List of current sponsors of NACLO
  • Past Sponsors
    List of past sponsors of NACLO
  • Become a Sponsor
    Help support NACLO
• More
  • Linguistics Competitions
    Linguistics competitions outside North America
  • Related Events
    Other olympiads and competitions
  • NACLO Resources
    Suggested reading, links, etc.

Quick Links

Student Registration

Practice Problems

Handbook

NACLO Resources