​North American Computational Linguistics Olympiad is a contest in which middle and high-school students solve linguistic puzzles. In solving the problems, students learn about the diversity and consistency of language, while exercising logic skills. No prior knowledge of linguistics or second languages is necessary.

NACLO (North American Computational Linguistics Olympiad) ,（ 北美计算语言学奥林匹克竞赛）是一个初高中生的语言学比赛。不需要特别的语文学基础，也不需要学第二外语，只要对语文puzzles 有兴趣的学生就可以报名。