The present study entitled “Effect of Occupational Aspiration Level on Academic Achievement of adolescents” aimed to assess the relationship between occupational aspirations levels and academic performance of adolescents with the following objectives 1) To assess the level of occupational aspirations of adolescent boys and girls across three socio economic groups.2) To determine the level of academic achievement of adolescent girls and boys across three socio economic groups.3) To find the gender disparities in the levels of aspirations and academic achievement of adolescent girls and boys across three socio economic groups.4) To find out the effect of occupational aspirations on academic achievement of adolescents across three socio economic groups. Adolescence is a critical time for forming aspirations for future, especially with regard to career aspirations. School performance is a key mechanism through which adolescents learn about their talents, abilities and competencies, which are an important part of developing career aspiration in fact, school performance and career aspirations in adolescence, are often correlated. Although research have been conducted in the related area but still a lot of scope in the area for the research is as level of aspiration can influences academic achievement during adolescence. Allahabad was purposely selected for the study. Stratified random sampling technique was adopted to select 150 adolescents aged between 15-18 years, out of which 75 boys and 75 girls were selected. The boys and girls were further be divided into three groups based on their socio economic groups. 25 adolescents each from the upper, middle and lower socio economic groups from both the genders were selected from various schools of the Allahabad city viz- Arya kanya Inter College, Jagat Taran Inter College, Government Inter College, Allahabad Agriculture Inter College. Socio Economic Status Scale – by Kuppuswami (1962) and Occupational Aspiration Level Scale – by Grewal (1975) are used in a present study. The results revealed that occupational aspiration of adolescents is mostly of higher level across three socio economic groups. The academic performances of adolescents range from good to fair across three socio economic groups. There were no gender disparities in occupational levels and academic performance of adolescents across three socio economic groups. There is a significant (P ≤ 0.05) relationship between occupational aspiration levels and academic performances of adolescents across three socio economic groups.