The study examined study habits and academic performance of secondary school students in Mathematics. A case study of selected secondary schools in Uyo Local Education Council. The main purpose of the study was to investigate the relationship between study habits and academic performance of secondary school students in Mathematics. To carry out this study, three research questions and three null hypotheses were raised to guide the study. The population of 1128 Senior Secondary School Two (SS2) students with a sample size of 200 respondents was selected from 5 public secondary schools for the study using simple random sampling technique. A structured questionnaire was used to gather data for the study, which comprises of two sections (A and B), section A comprise of 15 items while section B, comprise of 30 achievement test on mathematics. The reliability coefficient of 0.91 was obtained using Spearman Brown formula. Data collected was analyzed using Pearson Product Moment Correlation Co-efficient (PPMC) and tested at 0.05 level of significance. However, the results revealed that there is a significant relationship between note taking, students' use of library, time allocation for study and students' academic performance in mathematics. Based on the result of the findings, it was recommended that group guidance should be organized in schools by professional counsellors in order to create awareness on how students can develop effective study habits which could lead to good academic performance in mathematics and a functional school library should be mounted in all the secondary schools in Uyo Local Government Area of Akwa Ibom State, Nigeria.