trends in students performance in recent times, there have been numerous cases of student’s poor performance in Christina religious knowledge in most external examinations. trends in students performance Worried by this trend of events, the researchers took an in-depth investigation into students variables and how there influence students academic performance in Christian Religious Studies in Secondary Schools in Calabar Municipality, Nigeria. 411 senior secondary two students offering Christian Religious Studies were randomly selected from among ten secondary schools. Using questionnaire and student’s academic achievement test, the researchers carefully collected data on the variables viz: sex, age and attitude towards Christian Religious Studies. Independent t-test and One way Analysis of Variance (ANOVA) was used for data analysis trends in students performance. The result of data analyzed showed that the three student’s variables: sex, age and attitude have a significant influence on student’s academic performance in Christian religious studies. it was recommended that government and school administrators should consider helping school children achieve functional academic achievement when they are still young and that parents should encourage their children to go to school younger to enable them perform better in schools. trends in students performance.