Work crews are checking a Henderson County elementary classroom to see if asbestos is present.
The Gleaner reports South Heights Elementary School was closed Friday as crews came in to take samples from the classroom to test for the contaminant.
It was unclear when students would return to school.
"We don't know how long school will be closed. We will make that determination after the samples come back. We're hopeful that we'll be back in school on Monday, but I can't say that," Assistant Superintendent Marganna Stanley said.
The mother of a western Kentucky woman who vanished in 1995 hasn't given up hope of solving the mystery that has confounded police. Heather Teague was sunbathing at Newburgh Beach in Henderson County when she disappeared.