COBB COUNTY, Ga. -- Threats at three area schools had parents and school officials on edge Friday.
School officials said 1,100 of 3,300 students stayed home after rumors of violence at Collins Hill High School in Gwinnett County spread on social media.
Collins Hill stepped up security after that threat and several fights at school earlier this week.
Other unfounded rumors kept students home from North Cobb High School, and earlier in the week Brookwood High School here in Gwinnett, when an email threatened violence.
Cobb County School District spokesperson Jay Dillon said someone threatened North Cobb High School in a message was posted between midnight and 5 a.m. Friday.
The school posted a message to parents and students on its website Friday morning: