A Grove City School is the latest to close because of widespread illness.
Grove City Christian School, located at 4750 Hoover Road, was closed on Friday.
An official said students and teachers were out sick, but could give no more details.
WBNS-10TV has reported on numerous schools with high numbers of absences in recent weeks, many due to the stomach flu.
There was no word on Friday on whether or not the school would reopen on Monday.
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