Every teacher is evaluated using multiple, fair, transparent, timely, rigorous, and valid methods. The recommendations developed pursuant to this subparagraph (I) shall require that at least fifty percent of the evaluation is determined by the academic growth of the teacher's students and that each teacher is provided with an opportunity to improve his or her evaluation and level of effectiveness to professional development opportunities. The multiple measures to determine effectiveness of teachers shall include, but not be limited to, measures of student longitudinal academic growth that are consistent with the measures set forth in section 22-11-204 (2) and achievement levels on any statewide assessment in the relevant subject and grade level or any locally adopted interim assessments approved by the state board to assess student academic growth in the relevant subject and grade level.
Every principal shall be evaluated using multiple fair, transparent, timely, rigorous, and valid methods. The recommendations developed pursuant to this subjection (7) shall require that at least sixty-six percent of the evaluation is determined by a combination of the academic growth of the students enrolled in the principal's school and the demonstrated effectiveness of the teachers in the principal's school.
"The three consecutive school years of demonstrated effectiveness and continuos employment required for the probationary period shall not be deemed to be interrupted by the acceptance of a probationary teacher of the position of chief administrative officer in said school district, but the period of time during which such teacher serves in such capacity shall not be included in computing said probationary period."