Nancy Joanne Vinicor

A 5th grade teacher at Clover Avenue Elementary in 2009

These graphs show a teacher's "value-added" rating based on his or her students' progress on the California Standards Tests in math and English. The Times’ analysis used all valid student scores available for this teacher from the 2002-03 through 2008-09 academic years. The value-added scores reflect a teacher's effectiveness at raising standardized test scores and, as such, capture only one aspect of a teacher's work.

Overall value-added effectiveness

Math effectiveness

English effectiveness

Compared with other Los Angeles Unified teachers on the value-added measure of test score improvement, Vinicor ranked:

  • More effective than average overall.
  • More effective than average in math. Students of teachers in this category, on average, gained about 4 percentile points on the California Standards Test compared with other students at their grade level.
  • Average in English. Students of teachers in this category, on average, did not gain or lose significantly on the California Standards Test compared with other students at their grade level.

Vinicor's LAUSD teaching history

2002-03 through 2008-09 academic years

Nancy Vinicor's Response:

I was out of the country this past school year as a Fulbright Teacher, a prestigious program granted to exceptional teachers after a thorough application process. My question is: what data was used to so-called 'rate' me? Additionally, this rating is not a reflection of the scores or the learning of my students. My school (the last year I was there) had an API of 948. My students are high achieving and happy. The ceiling is a lot closer. A random viewer can now look at personal data that inaccurately labels my performance as a teacher and reach the conclusion that I am an 'average' teacher. It is misleading. The public will not necessarily see beyond this. I, personally, am not threatened by this label, but it is simplistic and unfair to so many dedicated and hard-working teachers.
I find this process unhelpful to everyone. How will this improve teaching practices? An education encompasses so much more than a numerical standardized score. Will this benefit anyone? Accountability is crucial in any profession, especially one with such a huge impact on the future of so many, but this is not accountability. This is witch-hunting in the guise of transparency.

The Times gave LAUSD elementary school teachers rated in this database the opportunity to preview their value-added evaluations and publicly respond. Some issues raised by teachers may be addressed in the FAQ. Teachers who have not commented may do so by contacting The Times.

Do the ratings in this database reflect your experience or your child's experience in the teacher's classroom? Do you believe this is a helpful tool for parents?
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Los Angeles Teacher Ratings, the Los Angeles Times' database of value-added scores for Los Angeles Unified elementary schools and teachers.
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About the Data Desk

This page was created by the Data Desk, a team of reporters and Web developers at The Times.