Suggest a movie title for the following movie plot: Trevor Garfield is an African American high school science teacher at Roosevelt Whitney High School, a high school in the Bedford-Stuyvesant neighborhood of Brooklyn. Dennis Broadway, a gangster student to whom he had given a failing grade threatens to murder him, writing the number 187 (the police code for homicide) on every page of one of Garfield's textbooks. The administration ignores the threat, and Dennis ambushes Garfield in the hallway, stabbing him in the back and side abdominal area multiple times with a shiv.Fifteen months after surviving from the ordeal, Garfield, now a substitute teacher, has relocated to John Quincy Adams High School in the San Fernando Valley area of Los Angeles, but the trouble starts again when he becomes a substitute to a rowdy, unruly class of rejects, including a Chicano tag crew by the name of "Kappin' Off Suckers" (K.O.S.). Their leader, Benito "Benny" Chacon, a menacing felon attending high school as a condition of probation, makes it clear to Garfield that there will be no mutual respect between them.The tension mounts when a fellow teacher, Ellen Henry, confides that Benny has threatened her life, an action against which the administration of the school refuses to take action, fearing legal threats. Ellen and Garfield develop a close friendship that approaches the beginnings of a relationship, but which is stymied by Garfield's diffident and destabilizing behavior, likely arising from post-traumatic stress disorder and his confrontations with the K.O.S.. Garfield's past also garners him the unwanted admiration of Dave Childress, a burned-out, alcoholic history teacher who carries and keeps guns at the school.After Benny murders a rival tagger in cold blood, he inexplicably disappears, and Benny's severely unstable tag partner, Cesar, takes over as leader and class antagonist. The conflict between Garfield and the K.O.S. escalates with the killing of Jack, Ellen's dog. Cesar, after spraying cartoon graffiti depicting a dog with a "dead" face, is shot with a syringe...
A:
One Eight Seven