Teacher professional development and pay are tenets of a proposed $1 billion federal program, but Congress hasn't funded earlier iterations.
Among other things, the independent "master educator" observations will be eliminated.
A handful of states are now relying on emergency permits or other nonstandard certificates to meet immediate hiring needs.
The proposals, championed by Gov. Dennis Daugaard, would base funding for schools on a target teacher salary and teacher-pupil ratio, rather than per-pupil spending.
The Coleman report's conclusions about teacher quality hold up today, even though there is much debate about policies like evaluation and pay.
Teachers reported getting professional development on common-core topics, but not always focused on the areas they needed the most help on.
In the latest twists and turns, some New York teachers got erroneous growth scores, and the teachers' union sued over a conflict with collective bargaining.
When low-performing teachers were replaced with new teachers, students did significantly better, the study found.
English teachers with higher-achieving students tended to get better scores on part of a popular teacher-evaluation framework.
The district seeks to bar teachers from staging sick-outs. which have closed dozens of schools in recent months.