A 3rd grade teacher at Denker 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.
Compared with other Los Angeles Unified teachers on the value-added measure of test score improvement, Serrano ranked:
- Average overall.
- Less effective than average in math. Students of teachers in this category, on average, lost about 4 percentile points on the California Standards Test compared with other students at their grade level.
- More effective than average in English. Students of teachers in this category, on average, gained about 2 percentile points on the California Standards Test compared with other students at their grade level.
Serrano's LAUSD teaching history
2002-03 through 2008-09 academic years
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.