In fact, 72 % of districts cited lack of teacher preparation as a barrier to increased use of data systems. (rethinked.com)
Literacy teachers have two classes during the day, while math teachers have four, which I think greatly contributes to lack of teacher sustainability. (stoprocketship.com)
In addition, they have high teacher turnover rates as a result of poor working conditions, long hours and lack of teacher autonomy. (citizensforpublicschools.org)