该高级证书为已经拥有初始或专业证书的研究生提供纽约州双语扩展服务（从12年级开始，包括残疾学生的老师以及语言和语言障碍的学生的老师）。该学习课程为考生准备在双语环境中授课的条件，其中两种语言被用作教学语言。高级证书为候选人提供了双语教育的理论和实践基础，课程包括以下主题：双语，研究，方法论，双语能力，双语环境中的内容教学和多元文化教育。
This advanced certificate provides a New York State Bilingual Extension for graduate students who already possess an initial or professional certificate (from Birth-Grade 12 including teachers of Students with Disabilities and for Teachers of Students with Speech and Language Disabilities). This program of study prepares candidates to teach in bilingual settings where two languages are used as the mediums of instruction. The advanced certificate provides candidates with a solid foundation in the theory and practice of bilingual education, courses include the following topics: bilingualism, research, methodology, biliteracy, content instruction in bilingual settings and multicultural education.