Online SEI courses are available for prospective and current teachers in Arizona Charter Schools and School Districts. These courses are for pre-service, reciprocal, and in-service teachers. These courses are designed based on research and are offered for both Elementary and Secondary levels. Our SEI Endorsement Courses are truly self-paced - start the course within minutes of your order. We are teachers who have trained teachers in best practices in Arizona SEI Classrooms since 2005. We provide useful SEI Strategies which are combined with the required SEI Content from the ADE. Educational Training Specialists courses are approved by the AZ State Board of Education. Secondary SEI Course