Ronnie witnesses an attempted rape, then receives a shock when she presses for legal action on behalf of the victim; Hanson tries to prevent a student from being expelled for drugs.
After a cheerleader is attacked, blame falls on another student's mother; Carmen goes head to head with a "bad boy" student ; Hansen copes with a student who says he is the son of God.
Views on affirmative action divide the students; the teachers hope to quell the resulting tensions by debating the subject in front of the student body.
Rehab transforms Joannie, recommitted to raising Allison---to Hanson's dismay; painting transfixes an untalented introvert (Luke Eberl), misled by Preston; pregnancy exults Marla. Joannie: Kate Norby. Preston: Phil Buckman. Rainy: Natasha Melnick. Troy: Sean Faris.
Harper wins an administrative award, then learns that a former student he tutored has been killed in Iraq. Hanson discovers that someone sold test answers to his students and he pushes to have the perpetrator expelled.
Ronnie catches a male teacher hugging a female student; Hanson worries that he may be a control freak following an incident in his Drivers' Education class; several students are caught photographing themselves nude with only words written across their bodies.