(WHTM) — We know Pennsylvania is having a hard time keeping teachers, but a new report lays out just how bad it is.

Penn State researchers found that the Commonwealth lost 7.7% of its teachers to firings, resignations and retirements over the 2022-23 school year.

That figure is up 1.5% from last year and is the highest in at least a decade.

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Philadelphia had the highest attrition rate in the state by a wide margin.

The research says that’s driven largely by high turnover at Philadelphia’s charter schools and has seen the same trends in several other states.