It has been one year since the shooting at Chardon High School.
Gunman 18-year-old T.J. Lane fired 10 shots at a group of students in the cafeteria just before classes started on Februrary 27, 2012.
Three students were killed.
Lane pleaded guilty to the charges in court on Tuesday.
The Day of Remembrance ervice" begins at the High School at 7:30 a.m.
A "gathering for remembrance and renewal" is being held for both students and community members at 12:30 p.m.
And a memorial concert and lantern lit vigil is scheduled on the school's soccer field at 8:00 p.m.
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