Using VAM Data to Determine Points (50 % of the Total) toward Unified Single Rating. Draft Procedures 11/21/2012. Teacher Groups. Core: Teachers who taught Reading, Mathematics, or Algebra and have 2011-12 VAM Data
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For each level of aggregation (teacher, school, or District), follow the procedure below.
(Under the normality assumption, one is 97.5%confident that the VAM score is belowthe districtwide average.)
(One is 84%confident that the VAM score is below the districtwide average.)
Category 1 0-12.5
Teacher Groups CORE and NON-CORE
1 12.5 points
2 25 points
3 37.5 points
4 50 points
Teacher Group School –wide
Teacher Group District-wide
Assign points based on the District classification category determined using the reading VAM scores and their standard errors as described previously.
If any of the points assigned to teachers in groups CORE or NON-CORE are based on fewer than 10 students, compare that number of points with the number assigned to the school-wide group, and assign the higher number.