The focus on undergraduate students is particularly important because this stage represents a critical period of transition. Undergraduate education is where students move from structured learning environments of high school to more independent learning settings. They are often faced with increased academic pressures, new social dynamics, and greater personal responsibility. In this context, their academic achievement can be influenced by a wide array of factors, from their inherent intellectual abilities and learning styles to external elements like the quality of teaching, peer relationships, and socioeconomic status. A study to determine the variables influencing academic achievement of undergraduate students in the selected Nursing College, Bengaluru Descriptive approach was used to collect data from 60 subjects selected by simple Random sampling technique consisting 2 sections. Students between 18-20 years are 0.004 times less likely to score 76% and below compared to their counterparts. Male students were 0.005 times less likely to score 76% and below compared to female students. Overall findings of the study clearly showed that the above results revealed that certain demographic variables like age and gender were significant and age and gender had a positive correlation between the variables and female students were more likely to score 76% than male students.