Speaking at her St. Louis office on Sunday, the Democratic Senator unveiled a package of reforms she says will help bring transparency and accountability to Congress.
McCaskill proposed creating an independent watchdog office to oversee Senate operations and take complaints from the public.
Reporting from Illinois Public Radio's Luke Runyon used in this report.
School officials say Illinois Governor Pat Quinn's decision to slash school transportation spending could hurt instruction, even though he wants to increase the amount the state spends per pupil.