After months of negotiations, the Los Angeles Unified School District and its teachers union have reached a compromise that will now use a controversial multifactor system to evaluate teacher performance.

In a two-thirds vote, United Teachers Los Angeles members ratified an agreement with the district that calls for evaluations based on a mix of raw data from the California Standards Test, "robust classroom observation" and school-level data based on the concept of Academic Growth over Time.

One of the earlier and more controversial proposals from Superintendent John Deasy - to use AGT results of individual students in evaluating a teacher - will not be factored into the final evaluations, although those individual scores can be used to give "perspective" in looking at past CST results by the teacher.

Read more at the LA Daily News