跨学科研究学士学位（BSIS）可满足其学术兴趣位于两个或两个以上学科之间的学生的需求，并通过探索多种学科，观点和方法，使学生有机会整合个人和专业发展领域。由于BSIS计划可以完全在线完成，也可以通过在线和校园课程相结合的方式完成，因此它特别适合需要工作日程安排更灵活的学生。学生追求的主题学习课程要求完成两个方向的学习，这可能是ETSU辅修课程，再加上与学习课程相关的12个学分的高等课程，或者是与他们的学术顾问协商后制定的两个自行设计的学习方向。参加BSIS计划的学生在ETSU的专业可能不会双修。
The Bachelor of Interdiscipinary Studies (BSIS) meets the needs of students whose academic interests are situated between two or more disciplines and gives students the opportunity to integrate personal and professional growth by means of the exploration of multiple subjects, perspectives, and methodologies in a variety of fields. Because the BSIS program can be completed entirely online or through a combination of online and on-campus courses, it is especially suited for students whose work-life situation requires more flexible scheduling.