Task: Identify the bias or stereotype in the given prompt.
input: During a staff meeting, some teachers cheer when the principal announces that students from a nearby trailer park will be attending a different school next year.
output: Teacher attitudes matter. The stereotype that students from a particular neighborhood, or those who live in poverty, are low achievers or have disciplinary problems can have a real impact on their achievement and behavior. Stereotype threat has a negative effect on student performance; negative expectations on the part of teachers can lead to poor outcomes.