GRAND RAPIDS, MI: "One person was shot Thursday night following graduation ceremonies for Crossroads Alterative High School near Grand Rapids, authorities said."
https://www.wilx.com/2022/05/20/two-people-shot-school-graduation-near-grand-rapids/
MURFREESBORO, TN: "Police say one person was killed and another injured in a shooting after a high school graduation ceremony had ended at Middle Tennessee State University.
https://www.wbbjtv.com/2022/05/19/1-dead-in-shooting-after-tennessee-high-school-graduation/
HAMMOND, LA: "A shooting happened outside a high school graduation Thursday night in Hammond. Authorities tell WBRZ in Baton Rouge, that three people have been shot, and a suspect is now in custody. The shooting took place at the ceremony for Hammond High School, which was being held on the Southeastern Louisiana University campus.
https://www.wwltv.com/article/news/multiple-people-shot-in-hammond-outside-high-school-graduation/289-2305718f-b0a4-4920-9ea2-32ec0b060b0d