The union used the election to air contract demands that included limits to class sizes, increases in teacher preparation time, a reduction of paperwork mandates and additional school counselors and nurses. (chicagotribune.com)
The general lack of concern for teacher preparation time is probably due to misconceptions about what goes on during class and planning periods. (thoughtco.com)
If teacher preparation time is limited, then a substitute doesn't have adequate time to understand the Smartboard. (gse.harvard.edu)