There are various factors which affect academic achievement of children. If the overall home environment and school environment favour the development of good social attitudes, the chances are that children will become social persons. Home Environment includes the quality and quantity of the social, cognitive and emotional support that has been available to the children during their family life in terms of parent-siblings-child interactions. School Environment refers to the psycho-social climate of school as perceived by the pupils. A comparative study was conducted to know academic achievement of secondary school students in relation to their home and school environment. The design selected for this study is comparative and correlational which is descriptive in nature. To carry out the present study the population comprises of students of class 9^th studying in secondary schools located in Faridabad district of Haryana. The sample size of the study consists of 120 students. The findings of the study show that there is low degree of difference of academic achievement between the boys and the girls which is statistically not significant. Girls were found to be a little bit better in academic achievement. There is no significant difference between home environment of boys and the girls studying in secondary schools located at Faridabad district of Haryana. There was no significant difference between school environment of boys and the girls of secondary schools located at Faridabad district of Haryana.  The mean score of school environment of girls of secondary schools was found greater than the mean score of school environment of the boys.

KEY WORDS: Home Environment, School Environment, Academic Achievement, Secondary School Students