The state should have a data system that contributes some of the evidence needed to assess teacher effectiveness.
Ohio has a data system with the capacity to provide evidence of teacher effectiveness.
Ohio has all three necessary elements of a student- and teacher-level longitudinal data system. The state has assigned unique student identifiers that connect student data across key databases across years and has assigned unique teacher identifiers that enable it to match individual teacher records with individual student records. It also has the capacity to match student test records from year to year in order to measure student academic growth.
Data Quality Campaign www.dataqualitycampaign.org
Develop a clear definition of "teacher of record."
A definition of teacher of record is necessary in order to use the student-teacher data link for the purpose of providing value-added evidence of teacher effectiveness. Ohio defines the teacher of record as the educator who is responsible for a significant portion of a student's instructional time within a given subject. However, to ensure that data provided through the state data system are actionable and reliable, Ohio should articulate a more distinct definition of teacher of record and require its consistent use throughout the state.
Ohio recognized the factual accuracy of this analysis. The state added that it is one of five states participating in the CELT (Connecting Education, Leadership and Technology) Teacher Student Data Link project. This is the technology used to identify the impact on student growth for which each contributing educator is responsible, thus establishing business rules to accomplish accurate student-teacher linkages for value-added analysis.