Academic achievement is widely recognized as a key indicator of educational success, influenced by a range of personal and institutional factors. This study aims to examine the relationship between study habits and Academic achievement among Higher Secondary students in West Bengal. The study also compares Study habits and Academic performance based on gender and academic stream (Science and Arts). A descriptive correlational research design was employed, and a sample of 300 Class XI students was selected through random sampling from six schools. Data was gathered through using students’ Madhyamik examination marks, while study habits were assessed using the Palsane and Sharma's Study Habits Inventory (PSSHI). Data was analyzed through using descriptive and inferential statistics. The results revealed no significant difference in academic performance between boys and girl’s students. However, Arts stream students showed significantly higher academic achievement than Science stream students. In contrast, Science students demonstrated better study habits than their Arts counterparts. No significant gender difference was observed in study habits. Furthermore, the study found no significant correlation between study habits and academic achievement. These findings suggest that while structured study habits are important, they may not solely determine academic outcomes. Other factors such as motivation, teaching methods, and learning environment should also be considered.