Violent incidents in South Florida schools

• Miami Edison Senior High, March 2008: Police were called to the school after a violent melee broke out in the cafeteria. Two dozen students were arrested; a half dozen suffered injuries.

• Miami Norland High, February 2008: Javaris Cross, 17, was shot in the left ear while trying to break up a fight.

• North Dade Academy, February 2008: A 14-year-old girl attempted to gun down the principal who expelled her more than a year earlier. The gun jammed.

• Miami Carol City Senior, 2007: Teacher Sergio Miranda was shot in the back while taking a cigarette break outside school. The gunman, who had tried to rob Miranda and another teacher, was not a student at the school.

• William Dandy Middle, Fort Lauderdale, 2007: A 13-year-old girl slashed another, 15, in the face with a razor blade.

• Parkway Charter Academy, Miramar, 2005: On the bus to school, Camille Burke shot and wounded classmate Kaliesha Cheatham. Classmates said Cheatham and her friends taunted Burke about her hairstyle the day before. Burke pleaded guilty to charges of attempted murder and possession of firearm on school property and is serving a 10-year prison sentence.

• Southwood Middle, Miami-Dade, 2004: Knife-wielding Michael Hernandez, 14, was charged with first-degree murder in the death of best friend Jaime Gough. Hernandez was convicted and sentenced to life in prison.

• Piper High, Sunrise, 2002: Kern O'Sullivan stabbed and killed football player Courtney Carroll in the heart with a screwdriver. Sullivan was sentenced to six years probation after pleading guilty to charges of manslaughter.

• Lake Worth Middle, 2000: Student Nathaniel Brazill shot and killed teacher Barry Grunow on the last day of school because he was angry about being sent home for throwing a water balloon. Brazill was convicted of second-degree murder and sentenced to 28 years in prison.

• Miami Killian High, 1996: At least two students were arrested and two others were badly beaten in a fight between blacks and Hispanics that spilled into the streets.