“Once states started to see from other states that you could move this, the ball has continued to roll,” Jacobs said.
States are using a combination of measures to evaluate educators. For example, in Minnesota, evaluation systems under development for teachers and principals will include feedback from superiors, fellow educators and parents. Thirty-five percent of a teacher’s evaluation will be based on student test scores, but teachers will also be able to present a portfolio showing professional growth that includes student work and classroom video.
Some states, such as Georgia and Massachusetts, are testing or considering the limited use of student input. A study by the Bill & Melinda Gates Foundation found the average student can tell who is an effective teacher. It said students’ feedback is more specific and useful to teachers than scores or tests alone.
Those opposed to linking test scores to evaluations say standardized tests are limited and don’t necessarily reflect what’s taught in the classroom. They say student performance can be affected by variables outside a teacher’s control like a child coming from an abusive home, transferring midyear or being behind because a previous teacher didn’t teach properly.
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In recent years, however, the American Federation of Teachers and the National Education Association unions have warmed to the idea of teacher evaluations based on student performance, with some caveats. In July, delegates to the NEA’s national convention voted in support of a policy statement that called for a comprehensive overhaul of teacher evaluations. The AFT has worked for two years with dozens of districts to help develop such systems, said AFT president Randi Weingarten.
But the unions want evaluations developed at the local level with input from teachers and little reliance on test scores. In too many places, Weingarten said, systems are being rolled out too fast with serious implications for educators.
She said that has happened in the District of Columbia and Tennessee, though advocates of tougher evaluation systems have held both up for praise.
This year, Tennessee implemented a new system that has teachers rated every year and observed multiple times a year. Thirty-five percent of a teacher’s evaluation is based on student growth on the state standardized test over time. Weingarten said the system has put the focus on test scores instead of learning and that there have been too many bureaucratic hurdles.
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