How Private Companies Are Trying To Fill A Substitute Teacher Shortage

Consider this statistic: on average, before graduating from high school, every kid in America sits in class without their regular teacher for what adds up to most of a school year.

That's according to a Harvard analysis of teacher absence data. But what happens if there aren't enough substitutes?

Hundreds of school districts in Pennsylvania are turning to private staffing companies to solve a substitute teacher shortage. Laura Benshoff of Here & Now contributor WHYY reports.

Laura Benshoff, education reporter for WHYY in Philadelphia. She tweets @LEBenshoff.