( CNN ) -- Family and friends of 16-year-old Demetrius C. Hewlin , one of three students killed in an Ohio school shooting , were preparing Monday to say their final goodbyes . A visitation was set for Hewlin at Burr Funeral Home in Chardon ahead of Tuesday 's funeral Mass , the same day accused shooter T.J. Lane heads back to court . Hewlin was killed last week when a lone gunman opened fire on students in Chardon High School 's cafeteria . Two other students were hospitalized and another was grazed by gunfire . The shooting rocked the school and the community of 5,100 people about 30 miles east of Cleveland . A funeral service for Daniel Parmertor , 16 , was held Saturday . A service for the third victim , 17-year-old Russell D. King , is scheduled for Thursday . Authorities say Lane , 17 , is charged with three counts of aggravated murder , two of attempted aggravated murder and one of felonious assault . The latter is related to the student who was grazed by a bullet . Prosecutor David Joyce filed charges against Lane in juvenile court . The defendant 's next court appearance will be Tuesday , and a hearing scheduled for March 19 will discuss a motion to transfer his case to an adult court . Lane 's friends have said that the teen had a troubled childhood . His parents had both been charged with domestic violence against each other , according to court documents . His father also served prison time for assaulting a police officer and was charged in an assault on another woman .
Demetrius C. Hewlin is one of three killed in an Ohio school shooting . A visitation is scheduled for Monday afternoon at a Chardon funeral home . A funeral service is scheduled for Tuesday . Accused school shooter T.J. Lane heads back to court Tuesday .