A student brought the photo to the attention of a faculty member last week.
Jabez Spann, 14, was last seen at a vigil for murder victim Travis Combs, authorities said.
The Sarasota Police Department announced Tuesday that remains found in Manatee County, Florida have been identified as belonging to Jabez Spann, missing from Sarasota since September of 2017.
"We don't know that anyone is doing it yet and but we saw it out there and we wanted to present it to parents," police in Indiana said.
Howard allegedly developed the "Banana Plug" app — a play on the school's mascot, Sammy the banana slug — to sell drugs.