SEIT refers to the special education itinerant teacher. Services of SEIT are for children 3-5 years of age, classified by their school district’s committee on preschool education as a preschooler with a disorder condition. You can become a SEIT in New York if you have knowledge in special education, a bachelor’s and master’s degree in relevant education, also a license within your state. You might have more questions so do not worry, Contact knowledgeroad.org