High-stakes testing took on a new meaning at a Dunlap, Ill., high school recently, as the school may be the first in the nation to use a polygraph machine to discipline its students.

The purpose: to determine whether the teenagers violated Dunlap High School's code of conduct by attending a party where alcohol was consumed.

Seven of the 10 students who submitted to the lie detector exams—all of them football players—flunked the questioning in October and were barred from competing in the first round of the state playoffs. Some of

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