Matthew Chingos and Paul Peterson looked through a massive data set of Florida teachers, linking up the value-added scores of each teacher’s students with the teacher’s training and experience. (“It’s easier to pick a good teacher than to train one.”) They confirm–more or less–what others have found with other data.
- Master’s degrees don’t help.
- Going to a selective college doesn’t help.
- Undergraduate major doesn’t matter.
- National Board Certified Teachers perform better. This is because the NBPTS identifies better teachers, not because the certification process improves teaching.
- Teachers improve a lot in the first few years on the job, but not after that.
- Failing the teacher certification test is a bad sign.
One finding that’s a little different: The authors find at least some evidence that teaching results turn down some after many years teaching.