Wyoming lawmakers propose installing video cameras to help evaluate teachers' performance. But educators are concerned about privacy issues, among other things.
The use of student test scores in teacher evaluations has been controversial in some places, but a number of school districts are going ahead with the idea.
A longer school day can help improve student test scores, closing the achievement gap. But critics question the cost of those additional hours.
To prepare students for a fast-changing future, teachers are reaching beyond the R's.