Introduction: Adolescence is a period when individual become independent from their parents. Apart from home environment they spend time in school, college environment which may influence the level of stress by adolescents. Academic matters are the important sources of chronic and sporadic stress for young people in both Western and Asian countries, it has significant associations with mental health problems, such as depression, anxiety and suicidal ideation. Suicide is the third leading cause of death among adolescents. Academic stress may be contributing factor in depression. Keeping this in mind a study was undertaken to exploratory study to identify the stress levels among students of selected Junior College in Pune city, with the objective of assessing the stress levels among Junior college students. Materials & Methods: An exploratory design was selected with a quantitative approach; the samples selected were through a non-probability convenient sampling method. The total sample size was 200 and the variable studied was stress level. The setting of the study was selected junior colleges. Tool consisted of two sections, the first dealing with the demographic data, and the second section consisted of a modified stress scale. Results: 130 (65%) of the students were female. In type of family, 126 (63%) are from nuclear family and 67 (33.5%) are from joint family. Birth order among adolescents 100 (50%) were 2nd child in their family, 65 (32.5%) were the first child and 33 (16.5%) were the third child. Students aged 16 were 78 (48%), age of 17 years were 76 (39%) and age of 18 years were 22 (11%). Occupation of mothers 169 (84.5%) were homemakers, 16 (8%) were in any other professions, 07 (3.5%) were private employees and 05 (2.5%) were business women. In terms of occupation of father 70 (35%) were business man, 56 (28%) were in other profession, 50 (25%) were private employee. Science stream had 39 (58.20%) were having mild stress and 27 (40.30%) were having moderate stress. Commerce stream students had 47 (70.15%) were having moderate stress and 20 (29.85%) were having mild level of stress. Arts Stream Students had 34 (51.50%) were having moderate stress and 32 (48.50%) were having mild level of stress. Male adolescent students had 39 (56.50%) were having moderate stress and 29 (42%) were having mild level of stress. Female adolescent students i.e. 68 (53.30%) were having moderate stress and 62 (47.70%) were having mild level of stress. Overall stress levels were 108 (54%) were having moderate stress and 91 (45.5%) were having mild level of stress. Conclusion: The purpose of the present study was to assess the stress levels among adolescent students attending junior colleges in Pune city. Overall analysis reveals that the stress levels among adolescent students i.e. 108 (54%) were having moderate stress and 98 (45.5%) were having mild level of stress.