Shortages drove Columbia Public Schools' move to outsource hiring substitute teachers

Friday, October 12, 2012 | 8:13 p.m. CDT; updated 4:51 p.m. CDT, Saturday, October 13, 2012

COLUMBIA — Kari Schuster, a reading teacher at Smithton Middle School, was sick on a recent Friday, sick enough to ask for the day off. But no substitute could be found; Schuster said she worked anyway.