Don't look for the Teachers union Label for School test-score analysis

As someone who ran call centers for fifteen years, I can attest to the necessity of objective measures in analyzing performance and mission success.  For tasks where direct and constant supervision is impossible, the development of performance metrics is critical to determine whether an organization accomplishes its tasks regularly and reliably, and which employees succeed or fail individually.  This applies in education, perhaps especially, where teachers inevitably make the determination of success or failure with little or no supervision at all, and therefore their own success or failure, except for test programs that measure student achievement objectively rather than in an entirely subjective manner.

The Los Angeles Times apparently agrees.  They began performing comparative analyses of student test results based on teacher assignments and discovered that the LA Unified School District has a significant number of teachers holding back student progress.  For this, the teachers union has called for a boycott of the newspaper:
The Los Angeles teachers union president said Sunday he was organizing a “massive boycott” of The Times after the newspaper began publishing a series of articles that uses student test scores to estimate the effectiveness of district teachers.
“You’re leading people in a dangerous direction, making it seem like you can judge the quality of a teacher by … a test,” said A.J. Duffy, president of United Teachers Los Angeles, which has more than 40,000 members.
So what metric should people use to evaluate teachers?  Parents of LAUSD students have discovered over the years that they can’t rely on report cards to determine the quality of teachers.  That lesson gets underscored in the Times’ review of the database:
After a single year with teachers who ranked in the top 10% in effectiveness, students scored an average of 17 percentile points higher in English and 25 points higher in math than students whose teachers ranked in the bottom 10%. Students often backslid significantly in the classrooms of ineffective teachers, and thousands of students in the study had two or more ineffective teachers in a row.
What.  A.  Shock.  Students with effective teachers perform better on tests, while students with ineffective teachers lose ground.  Next thing we’ll hear is that water is wet.
via Hot Air » Teachers union calls for boycott of LA Times for publishing test-score analysis.

Union leader calls on L.A. teachers to boycott Times

Union says evaluation of teachers is ‘dangerous.’ Do you agree

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