FILE - In this Wednesday, Sept. 12, 2012 file photo, two women hold signs in support of public school teachers marching on streets surrounding John Marshall Metropolitan High School in

 

              FILE - In this Wednesday, Sept. 12, 2012 file photo, two women hold signs in support of public school teachers marching on streets surrounding John Marshall Metropolitan High School in
FILE - In this Wednesday, Sept. 12, 2012 file photo, two women hold signs in support of public school teachers marching on streets surrounding John Marshall Metropolitan High School in West Chicago. Teachers walked off the job Monday for the first time in 25 years over issues that include pay raises, classroom conditions, job security and teacher evaluations. (AP Photo/Sitthixay Ditthavong)