Lisa Lavoie

Holyoke

Police found a missing 15-year-old boy in hotel room in Morgantown, W. Va., on Feb. 24 with Lavoie, 24, his eighth-grade teacher (left). Police reported that the two had allegedly been having an affair for months. Lavoie faces charges of enticement of a child and kidnapping.

If the allegations prove true about the affair between Lavoie and her student, she would join a growing list of teachers or coaches who have engaged in relationships with students in recent years. Here are some well-known cases.