The 50-State Comparison on teacher employment contract policies provides a national comparison of teacher employment contract policies in all states. All of the information was gathered from and focused on state statutes and regulations. State case law was also utilized for metrics related to collective bargaining. Data collection focused specifically on policy that addresses teacher employment contracts. This metric captures the factors schools and districts must utilize and the ones they may utilize. It also includes prohibited factors. Common factors include seniority and teacher evaluations. [View the full "50-State Comparison: Teacher Employment Contract Policies" here: https://www.ecs.org/50-state-comparison-teacher-employment-contract-policies.]