Objectives: 1) Determine the existing knowledge of collage going girls regarding ovarian germ cell tumor using a structured knowledge questionnaire.2) Find the effectiveness of planned teaching programme on ovarian germ cell tumor among collage going girls using the same structured knowledge questionnaire.3) Find the association of post-test knowledge score with selected demographic variables.

Methodology: A post test was carried out on 100 collage going girls to assess the Effectiveness of planned teaching programme on knowledge regarding ovarian germ cell tumor; structured questionnaires were used to assess the level of knowledge after the implementation of planned teaching programme. Its reliability and validity were established. The data is analyzed by using descriptive and inferential statistics.

Result: Findings revealed that for Mean Knowledge Score Was Mean ± SD 13.75±1.07, where as in experimental group, the mean score 23.60±1.19 (SD).