To pursue a B.Sc. degree at St. John's College Kollam, candidates must meet the following eligibility criteria. Firstly, they should have completed their higher secondary education (10+2) or its equivalent from a recognized board or university. Secondly, candidates must have studied Physics, Chemistry, and Mathematics as main subjects in their 12th grade. Additionally, they must have secured a minimum aggregate score of 50% in these subjects. Moreover, candidates belonging to reserved categories may have relaxation in the minimum aggregate score requirement as per the college guidelines. Lastly, applicants must also fulfill any other specific requirements set by the college or university for admission to the B.Sc. program.