In the present study an attempt has been made to find out the impact of academic anxiety on academic achievement of senior secondary school students in relation to their gender. A sample of 600 senior secondary school students was taken on the basis of random sampling method. Singh and. Sen Gupta’s Comprehensive Anxiety test was taken to assess the level of anxiety, while academic achievement score was taken from the previous annual results of the students. Mean, Standard Deviation and ‘t’ test were used to analyse the data. The findings of the study are: (i) Female senior secondary school students were found to have more academic achievement as compared to male students; (ii) There is no significant difference in academic anxiety of male and female senior secondary students; and (iii) Senior secondary school students having low and high academic anxiety differ significantly on academic achievement. The secondary school students having low academic anxiety were found to have more academic achievement as compared to senior secondary school students having high academic anxiety.