define highly effective teacher
A level 1 or 2 signifies that the teacherâs students made below. expected growth in that subject-grade, a level 3 signifies that. the teacherâs students made expected growth, and a level 4 or. 5 indicates that a teacherâs students exceeded expected growth. For the purposes of this analysis, we define a âhighly effectiveâ. teacher as one who scored a TVAAS level 4 or 5 in the previous. year. This level 4 or 5 indicates that the teacherâs students showed. growth in their academic achievement beyond what they were. expected to show over the course of the school year.