The data and analysis on this page is from 2019. View and download the most recent policy data and analysis on Measures of Student Growth in New Jersey from the State of the States 2022: Teacher and Principal Evaluation Policies report.
The state should require objective measures of student growth to be included in a teacher's evaluation score. This goal is reorganized for 2019.
Impact of Student Growth: New Jersey requires that, for teachers of tested grades and subjects who earn median student growth
percentile ratings, the student growth component must be 30 percent to 50
percent of their overall evaluation rating. For teachers of nontested grades
and subjects who do not earn median student growth percentiles, the student
growth component must be at least 15 percent but not more than 50 percent of a
teacher's overall evaluation rating.
Each year the weights are determined by the commissioner. For the 2018-2019 school year, student growth counts for 30 percent of evaluation ratings for teachers of tested grades and subjects (median of students' change in achievement: 5 percent; student growth objectives: 25 percent). Student growth counts for 15 percent of the score for teachers of nontested grades and subjects. Student growth measures for teachers of nontested grades and subjects may include: teacher-set goals for student learning; student performance assessments, including portfolio projects, problem-solving protocols and internships; teacher-developed assessments; standardized assessments; and district-established assessments.
State's Role in Evaluation System: New Jersey districts develop teacher evaluation systems based on the state's framework. The state approves districts' systems.
6A:10-4.1 Rubric weights for 2018-2019: https://homeroom5.doe.state.nj.us/broadcasts/2018/AUG/31/18887/Notification%20of%20Educator%20Evaluation%20Rubric%20Weights%20for%202018-19%20and%20Back%20to%20School%20Reminders.pdf
Due to New Jersey's strong policies in this area, no recommendations are provided.
New Jersey recognized the factual accuracy of this analysis.
7A: Measures of Student Growth
Many factors should be considered in formally evaluating a teacher; however, nothing is more important than effectiveness in the classroom. Value-added models are an important tool for measuring student achievement and school effectiveness. These models have the ability to measure individual students' learning gains, controlling for students' previous knowledge and background characteristics. While some research suggests value-added models are subject to bias and statistical limitations, rich data and strong controls can eliminate error and bias. In the area of teacher quality, examining student growth offers a fairer and potentially more meaningful way to evaluate a teacher's effectiveness than other methods schools use.
Unfortunately, districts have used many evaluation instruments, including some mandated by states, which are structured so that teachers can earn a satisfactory rating without any evidence that they are sufficiently advancing student learning in the classroom. Teacher evaluation instruments should include factors that combine both human judgment and objective measures of student learning.