Careers in Education Day and Substitute Teacher Recruitment Fair -2018! This event will be held on Saturday, August 11, 2018 at the Stanislaus County Office of Education – Marten G. Petersen Event Center from 8:30 -12:00 noon. Free to the public and no registration to attend. Local colleges and school districts in our county will be participating as in the past 3 years. This event allows the public to come and talk to our local colleges and school districts about becoming a Substitute Teacher and for those person needing to obtain a BA/BS degree.