Click this link, and go to the "collective bargaining" link
on the right hand side. You'll see the master contracts of
most Ohio public schools and other agencies (though some
contracts shown aren't the most current ones being used.)
Pick a couple and look at their salary scales. You can see a
HUGE discrepancy in salaries depending on location. In every
district I know of, all certified teachers (preschool - grade
12, reg ed and spec ed) are on the same salary scale for
their district: one year of experience means you get$X, 10
years means you get $Y. The only variables beyond that are
hours / degrees of professional development. If I moved one
district over, I would make $2,000 less per year than I do at
my current district. If I moved one district over (the other
direction), I think I could make $2-3,000 more.
A special ed license will open up more opportunities to land
a job, but you'll be paid the same as the new reg ed teachers.