DETROIT — The Oxford school district is moving forward with plans to remember four high school students who died in a mass shooting Nov. 30 and “help with the grieving process” of students and staff. In a message Friday on the district’s website, Oxford Community Schools Superintendent Ken Weaver said a banner in the gym and a sign in the senior courtyard will serve as remembrances of Hana St. Juliana, 14; Madisyn Baldwin, 17; Tate Myre, 16; and Justin Shilling, 17. “All of us should honor the lives of these four students through our actions to serve our community going forward,” Weaver wrote….