The below description is taken from LEGO.com.
Springfield Elementary fourth-grade teacher Edna Krabappel works diligently to provide her students with precisely the minimum education required by law. At first glance, she may seem unenthusiastic. And she is. Enthusiastically so! But underneath her hard shell, Bart’s teacher is a woman who deeply loves having her summers off. Why give that up just because of some aggravating kids?