41- 45% 2.0 46 - 50% 2.25 Convert % score above to rating score 51-55% 2.5 55-60% 2.75 61-65% 3.0 66-70% 3.25 Appendix C: Performance Gap Reduction 71-75% 3.5 Student Growth Measure Explanation 76-85% 3.75 86 - 100% 4.00 Step 1: Pre-assess; score NOTE: The PGR method does not require teachers to set a growth target for a cohort. Step 2: Calculate the mean performance gap among students Step 3: Post-assess; score Step 4: Calculate the mean growth among students Step 5: Student Max Score Possible Pre-Assessment Calculate % Score Mean Performance A 250 95 Gap Reduction B 250 86 Step 6: C 250 222 Determine the D 250 37 teacher's E 250 103 impact rating F 250 214 on the RPG Impact Scale G 250 230 H 250 78 I 250 87 Step 1: Preassessment
41- 45% 2.0 46 - 50% 2.25 51-55% 2.5 55-60% 2.75 61-65% 3.0 66-70% 3.25 71-75% 3.5 76-85% 3.75 86 - 100% 4.00 Convert % score above to rating score Appendix C: Performance Gap Reduction Student Growth Measure Explanation Step 1: Pre-assess; score NOTE: The PGR method does not require teachers to set a growth target for a cohort. Step 2: Calculate the mean performance gap among students Step 3: Post-assess; score Step 4: Calculate the mean growth among students Step 5: Calculate % Mean Performance Gap Reduction Step 6: Determine the teacher's impact rating on the RPG Impact Scale Step 1: Preassessment Student Max Score Possible Pre-Assessment Score A 250 95 B 250 86 C 250 222 D 250 37 E 250 103 F 250 214 G 250 230 H 250 78 I 250 87
GCOA%20Teacher%20Evaluation%20Process%202016.docx