Call for the International Linguistics Challenge 2025 is open now!!!
ILC is a global educational program that empowers students to explore the scientific study of language, challenge their analytical thinking, and discover patterns in human communication through linguistic problem-solving.
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Linguistics is the science of language: how it is structured, how it is used, and how it changes across time and cultures. It explores everything from the sounds we make (phonetics) and how words are built (morphology), to how sentences carry meaning (semantics) and how we communicate effectively (pragmatics).
If you have ever wondered how babies learn to speak, why Google Translate sometimes gets things hilariously wrong, or how two people can say the same words but mean totally different things, that is linguistics in action! It combines logic, creativity, and problem-solving in ways few subjects do.
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Unlock How Language Works
Every ILC problem invites you to decode real linguistic data, uncovering the hidden patterns that govern the world’s 7,000+ languages. You do not need to memorize rules; instead, you use reasoning and intuition to discover them.
Connect across cultures
Linguistics opens a window into how people think and communicate worldwide. By solving ILC problems, you will explore languages you have never heard of and see how diverse, yet logical, human communication truly is.
Challenge yourself
The ILC is not just for language enthusiasts! It is for anyone who loves puzzles, logic, and discovery. Whether you are into math, computer science, or foreign languages, linguistics strengthens your analytical and creative thinking. You might even discover a new academic passion or career path!
Join a global community
When you participate in the ILC, you become part of a worldwide network of curious students who love uncovering the logic of language.
This competition is open to all middle school, high school, and university students of all grades and from all countries are invited to participate. Anyone interested in language, pattern recognition, and problem-solving is welcome. No prior linguistic training is needed to participate!
All participants receive the same set of problems covering syntax, semantics, pragmatics, phonetics, morphology, and discourse analysis, but the points needed to complete a round differ between groups.
Location:
OnlineBenefits
Showcase your linguistic abilities and compete for cash prizes, certificates, and global recognition. The prizes are worth upwards of 1000 USD. Awards include:
- 1st, 2nd, and 3rd Cash Prizes for each age category.
- National Awards for top performers from each country.
- Bronze, Silver, and Gold Honors for Finalists.
- Official Participation Certificates for all participants.
Points are awarded for correct reasoning steps, not just final answers.
Eligibilities
Open to All Students
Middle school, high school, and university students of all grades and from all countries are invited to participate. Anyone interested in language, pattern recognition, and problem-solving is welcome. No prior linguistic training is needed to participate!
They have three age categories:
- Junior: 10th Grade and below (and < 16 years)
- Youth: 11th to 13th Grade (or ≥ 16 years)
- Senior: 1st Year College/University and higher (or ≥ 19 years)
All participants receive the same set of problems covering syntax, semantics, pragmatics, phonetics, morphology, and discourse analysis, but the points needed to successfully complete a round differ between groups.
Eligible Regions: Open for all middle school, high school, and university students of all grades globally.Application Process
Please submit your solution to the Qualification Round problem sheet via the official submission form.
- You must submit a single document that provides a written solution for all problems.
- You may submit handwritten or typed solutions (e.g., using TeX).
- Clearly explain your reasoning, pattern identification process, and linguistic analysis for problems when appropriate.
- Key tip for solving the problems: language is compositional. It is composed of units and sub-units, whose behaviour individually and together obeys the rules of the given language.
Application Deadline: December 30, 2025
Application ClosedOfficial link
