“Effective” Teachers Fleeing Houston Because of Flawed VAM

26 Aug

Value added measures drive away good teachers.

Diane Ravitch's blog

Audrey Amrein-Beardsley reports that highly rated teachers are leaving the Houston public schools because of the erratic EVAAS measure. Seven teachers are suing the district based on its erratic measure.

In this post, she tells the story of a teacher with 15 years experience who prefers teaching in high-needs schools.

“The one teacher highlighted in this piece, “holds a mathematics degree from the University of Houston, has taught all levels of high school mathematics for 15 years…and has repeatedly pursued assignments in high-needs schools with large Latino populations. While administrators, parents and peers have consistently rated him as a highly effective teacher, his EVAAS scores have varied wildly. While at [one district high school], he earned one of the highest EVAAS scores and year-end bonuses possible. Two years ago, teaching the same subject at [another high school] he received a below-average EVAAS score.” This teacher decided to leave the…

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