Press Release

AFT President Randi Weingarten on Miscalculations of DC Teacher IMPACT Evaluations

For Release: 

Monday, December 23, 2013


Marcus Mrowka
202-531-0689 (cell)


Washington—Statement of AFT President Randi Weingarten on revelations that Mathematica, an external partner of the District of Columbia Public Schools, miscalculated teachers' Individual Value-Added (IVA) and Teaching and Learning Framework (TLF) IMPACT evaluation scores.  

"We believe in D.C. public schools, and have worked with our local union and this mayor in many constructive ways, including on its very successful pre-K program. But there's something very troubling when the district continues to reduce everything about students, educators and schools to a nameless, faceless algorithm and test score. This was clear in the Rhee era and led to widespread allegations of cheating. And now we see it with the troubling news that teachers' evaluation scores were miscalculated—with a tremendous impact on the employment and wages of teachers and on our schools and students. 

"You can't simply take a bunch of data, apply an algorithm, and use whatever pops out of a black box to judge teachers, students and our schools. And now, we have the disclosure that even the number was miscalculated, affecting dozens, if not hundreds, of educators. Our children deserve better."

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The AFT represents 1.7 million pre-K through 12th-grade teachers; paraprofessionals and other school-related personnel; higher education faculty and professional staff; federal, state and local government employees; nurses and healthcare workers; and early childhood educators.