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SGP. What is it and where did it come from?. What is it?. Student Growth Percentiles (SGPs) are a measure to assess educators of students in grades 4 through 8 that take the NJ ASK Math or Language Arts test. Do I need to worry about SGP s ?.
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SGP What is it and where did it come from?
What is it? • Student Growth Percentiles (SGPs) are a measure to assess educators of students in grades 4 through 8 that take the NJ ASK Math or Language Arts test.
Do I need to worry about SGPs? Currently, ONLY educators that teach mathematics or language arts in grades 4 through 8 need to worry about SGPs.
So….. I teach HS Social Studies. I teach kindergarten. I teach second grade language arts. I teach Algebra II in high school. Do I have to worry? NO!
SGPs for students DO NOT indicate proficiency therefore SGPs for students measure their growth, or improvement, from one year to the next.
How are SGPs derived? • Each student is given their own SGP based on two things: • Their improvement from their previous year’s NJ ASK score and; • The range that his/her academic peers (students with similar score histories) throughout the State scored. • SGPs for students are based on 1% to 99%. A decrease in score from one year to the next will result in a low, positive, growth percentage.
How are my student SGPs related to my mSGP? • The median score of all your students’ SGPs becomes your mSGP provided: • You have at least 20 separate students enrolled in your class for at least 70% of the time prior to NJ ASK. • You must teach at least 60% of the time prior to the NJ ASK.
Misconceptions vs. Reality • SGPs are based on how well my students score. • SGPs measure a student’s growth. • More than 20 scores are needed and the median is used. • I have a few students that don’t try and this will hurt my score. • I teach special ed., my score will suffer if they don’t do well on tests. • SGPs are based on progress compared to academic peers.
Once your mSGP is determined, it is then converted to a scale of 1 to 4. In our example, the mSGP of 73 converts to a evaluation rating of 3.7. (The conversion chart can vary from year to year.)
For further information, please visit: http://www.nj.gov/education/AchieveNJ/resources/TeacherEvaluationScoringGuide.pdf