The office plans to take the charges to a grand jury next month, Picek said.
Pennington’s defense lawyer, James Owen, did not respond to phone calls seeking comment.
Court documents say Pennington is accused of touching the girls at school, and a Springfield police report gives the address of the incident as Warder Park-Wayne Elementary School. The report also says, “The (defendant) placed his hand on the side of the child … at two different school locations.”
Police began their investigation when they were contacted by Children services, according to an affidavit.
“Upon learning of the allegations, the district immediately placed the employee on paid administrative leave and conducted a formal investigation into these concerns,” Springfield City School District said in a statement.
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Pennington resigned before a scheduled termination hearing, Springfield City Schools spokeswoman Cherie Moore said.
The incidents were reported to have happened in January and February, according to the court records.