The staff and students called their annual field day “Londyn’s Day.”
The petition has close to 10,000 signatures as of Thursday morning.
This case was not a missing person investigation, but was classified by officials as a swift water rescue.
29-year-old Desmond Aaron has been arrested for the murder of 26-year-old Amanda Hartley.
Police said she was distracted by her cell phone, which contributed to the crash.
Ritz kicked off her campaign in front of a small crowd outside Ben Davis High School with a call for unity.
The driver of the other vehicle was treated for minor injuries at the scene and released.
The man charged with stabbing a woman and her great-granddaughter received his sentence in a Clinton County courtroom Thursday.