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.
The audit requested by the state legislature found multiple problems with how the state teacher-standards board issues licenses and responds to complaints.
Some key themes from Education Week's series of stories looking at the venerable teacher-placement organization.
The National Council on Teacher Quality examined how comprehensively each book covered certain instructional tenets.
Teachers are furious about benefit concessions, decrepit schools, and plans to split the district in two.
At least 12 states report issuing half or more of new certificates to out-of-state teachers.
Some state leaders say they don't plan to make changes; others are already on the record as favoring less rigid approaches.
A Minnesota panel must allow out-of-state teachers to earn licenses via a portfolio process.