Actions targeted to teachers can vary from feedback with no consequences, recognition of excellence, salary increases, the requirement to take in-service training to being unable to practice as a teacher. The consequences for initial teacher training institutions can include closure. The exception is the state of Texas, while all the other systems either use portfolios, observations of classroom practices or rely on the assessment of performance developed by school principals. The majority of the systems meet the proposals of Ingvarson and Chadboume (1994), in Jasman (2009) who suggest that besides the formative impact of assessment, this should be summative, criterion referenced and based on different sources of evidence (portfolios with teaching plans, student-learning assessments, analysis of responses, videos of lessons, etc.) The validity of the assessment will depend on the degree of authenticity of the tasks that are used.