Stephenie Sun

A 4th grade teacher at Charles H. Kim 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 2003-04 through 2009-10 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.

Math effectiveness

Least effective
Less
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More
Most effective

English effectiveness

Least effective
Less
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Most effective
See how this teacher would change under different statistical models »

About this rating

The red lines show The Times’ value-added estimates for this teacher. Sun falls within the “most effective” category of district teachers in math and within the “more effective than average” category in English. These ratings were calculated based on test scores from 86 students.

Because this is a statistical measure, each score has a degree of uncertainty. The shading represents the range of values within which Sun’s actual effectiveness score is most likely to fall. The score is most likely to be in the center of the shaded area, near the red line, and less likely in the lightly shaded area. Teachers with ratings based on a small number of student test scores will a have wider shaded range.

The beige area shows how the district's 11,500 elementary school teachers are distributed across the categories.

Sun's LAUSD teaching history

Years used for value-added rating. See FAQ for details.

Stephenie Sun's Response:

I noticed that my ratings for both subjects changed. I did read the side panel regarding ratings changes and realize that it may just be due to the addition of 5,000 more teachers to the data pool. I'm pretty sure the first possible cause listed (dropping scores from 2002-2003) would not affect me since I began teaching in LA Unified in 2005-2006. It seems that the second possible cause (adding scores from 2009-2010) would likely not affect me either since in 2009-2010, I was teaching 2nd grade, and not in 3rd through 5th grade, from where student data is being pulled. I just wanted to be sure that there was no error in my rating calculation because of a grade level change for the 2009-2010 school year.

 

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.

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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.