A prank that spiraled into chaos at Grand Blanc schools could prove to be costly for some local students.Grand Blanc High School is ready to show those students why the joke is no laughing matter and charges could be in their future. Things are calm now.  Superintendent Norman Abdella says that type of behavior will not be tolerated. He plans to recommend to the school board that at least one of the students involved be expelled. He's also considering the same punishment for one other student. A few students, not directly involved, will be suspended.

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