Abstract: Semester system is an arrangement of education, in which each academic year is divided into two parts of about six months for each semester. Literally the term ‘Semester’ implies six month of period. At present almost all the Universities of India have adopted the semester system as a progressive measure in undergraduate and post-graduate level of education in place of annual system of education. In Assam also the undergraduate colleges have also introduced this semester system of education, which has been welcomed in a positive manner by most of the experts, educationists, academicians, teachers and students. However, many questions may arise regarding the effectiveness of semester system in comparison to annual system of education. It becomes very important to examine whether the semester system at undergraduate degree level is the best alternative of annual system. It is therefore through this paper an attempt has been taken to study the effectiveness of Semester System at Undergraduate Degree level of education. The methodology used in the study was descriptive survey method. Data were collected through a questionnaire and through interview, administered to a sample of 150 undergraduate college students of Sonitpur district. The study reveals that to ensuring the effectiveness of semester system is still a big challenge for the universities.