双语教育是纽约州指定的教师严重短缺地区。该双语教学扩展高级学习证书（CAS）是一项严格的学术课程，旨在培训目前通过认证的教师从事双语教育的职业。该CAS适用于希望将其现有的纽约州教师资格证书进行双语扩展的候选人。成功完成这18个学分课程的候选人有资格获得纽约州教师证书的双语教育扩展。纽约州双语教育者拥有必要的知识和技能，可以有效地用英语进行教学，并在纽约州公立学校提供目标教学语言。双语老师了解双语教育的基础，包括第一语言和第二语言习得和学习的过程，双语教育的模型/方法，以及与双语教育有关的法律要求和专业期
Bilingual education is a designated New York State critical shortage area for teachers. This Certificate of Advanced Study (CAS) in Bilingual Education Extension is a rigorous academic program that trains currently certified teachers for professional careers in bilingual education. This CAS is appropriate for candidates who would like a bilingual extension to their current New York State teacher certification. Candidates who successfully complete this 18 credit hour program are eligible for a bilingual education extension to a New York State teacher certificate. The New York State bilingual educator has the knowledge and skills necessary to teach effectively in English and the target language of instruction in New York State public schools. The bilingual teacher understands the foundations of bilingual education, including the processes of first-and second language acquisition and learning, models/methodologies of bilingual education, and the legal requirements and professional expectations related to bilingual education. The bilingual teacher understands that language reflects a body of shared values and assumptions that constitute a distinctive culture. Finally, the bilingual teacher is proficient in the target language and in English, using both languages to interpret a variety of spoken messages and written texts and to communicate effectively in speech and in writing.