Test scores can be a valuable tool to improve teaching

Column: Carol Veravanich, The Orange County Register In regard to that the LA Times using the value-added model model, they cannot evaluate us "expendable" kindergarten or first-grade teachers, now can they? It is true that this model will not measure the value that kindergarten or first-grade teachers add. In fact, if a school has a highly effective kindergarten and first grade staff, that can have a negative impact on the school's VAM score. The students might be prepared to score at or above average in second grade and their beginning scores may be too high. The model tries to predict how high a student will continue to score each year…