student Duquan "Dukie" Weems and sends clothes home for him via his classmate Crystal Judkins. Donnelly convinces eighth-grade student Randy Wagstaff to become an informant against other students by threatening to call his foster mother when he is caught with a fake hall pass. When Randy is later involved as a lookout in a possible rape on school grounds Donnelly is forced to suspend him. He tells her that he knows about a murder to try to convince her not to call his foster mother and Donnelly is forced to hand him over to the police department. The nominal principal, Claudell Withers allows Donnelly to handle all aspects of running the school while he enjoys the status and salary of his position. Donnelly tries to protect the school from being taken over by the state by focusing on improving performance in state assessments. She insists on her teachers' sticking to core subjects and is against deviations from the curriculum. She tries to guide trainee teacher Roland "Prez" Pryzbylewski into following this strategy. Miss Duquette Played by: Stacie Davis Appears in Season 4: "Unto Others"; "Corner Boys"; "Know Your Place"; "Misgivings; "A New Day"; "That's Got His Own"; "Final Grades" Miss Duquette is a Doctoral student who assists Dr. Parenti and Bunny Colvin in teaching the "corner kids" special class. A social sciences and psychology student, she uses several psychological techniques to get the children to describe themselves and how they feel about their roles in life. As a rookie teacher from an educated and non-Baltimore City raised background, she is initially disrespected by many of the students especially the classes' two female students Chandra and Zenobia. She eventually manages to manipulate the children into articulating their problems and talk about how or why they should improve themselves. When school officials decide to pull the plug on the program, she assists Colvin and Parenti in protesting the program's end, claiming that the students have made progress in the class as human beings. The program is nonetheless shut down. David Parenti Played by: Dan DeLuca Appears in season 4: "Home Rooms"; "Refugees"; "Alliances"; "Margin of Error" (uncredited); "Unto Others"; "Misgivings" and "Final Grades". Dr. David Parenti is a professor of sociology at the University of Maryland with a special interest in repeat violent offenders. He receives a grant from the university for a pilot study aimed at reducing this behavior. He plans