#PeriodsforPence has exploded throughout social media sites.
Melanie Peoples was an English teacher in the International Baccalaureate and has been with the school for four years.
He is being held in the Vigo County Jail.
The Cass County prosecutor filed charges against Hicks on Monday, for murder and two felony counts of arson.
Additional information is expected to be released later Wednesday.
Tanberg is scheduled to appear in court for his arraignment on April 12.
An arrest warrant was issued for an 18th suspect.
Races in Indianapolis and Carmel, Indiana, have taken similar steps in the past year.
Manager for Merle Haggard says the country legend has died in California at age 79.
So far in 2016, there have been four officer-involved shootings – two non-fatal; two fatal, according to Capt. Rick Riddle with IMPD.