. >> this is not union boausting. >> reporter: the pittsburgh representative is trying to end what he calls ghost teaching. school districts pay teachers who never step foot in a classroom. instead, our investigation finding teachers around the state working full-time in their union offices. >> there are teachers, qualified, teachers that should be in the classroom doing union work. work that should be done on their own time. >> reporter: according to the non-profit the commonwealth foundation, 109 school districts across the state allow union leave according to a review of union contracts. in philadelphia, there are 26 union members not in schools but working in the union office. we're finding similar stories across the state, including here in allentown. despite more than 100 teacher layoffs since 2000, the district paid more than $1 million to the teachers union president not to work in a classroom but instead to work in the union office. the representative's bill would limit how many union employees can leave the classroom to work for their union. >> if it comes to a floor vote, i