Kathleen Porter-Magee is half right,
maybe two thirds.
Principals should indeed be responsible for evaluating the teachers in their
schools—and should have the authority to engage, retain, deploy, and
dismiss individual instructors (and other school staff) according to their best
That does not, however, mean "education reformers [should]
get out of the business of trying to improve the civil service rules of our
broken education bureaucracies...." Surely she doesn't want the system's
present HR rules and practices to endure intact. And surely they're not going
to be wiped away altogether. So they need to be reformulated. And one crucial
area of reform (among many) does involve teacher evaluations and the
appropriate use of student achievement information—test scores and more—within such evaluations.
No, teacher evaluations should not be based entirely on student
test scores. No, I don't think such evaluations should be made public (though
significant portions of them should be accessible to parents, especially the
parts linked to student achievement within teachers' classrooms). But chaos
will reign if there are no district or statewide practices, templates, model
programs, and suchlike...