The title of the study was a pre-experimental study to assess the effectiveness of planned teaching on knowledge regarding Human Milk Banking rd among 3 year GNM students in selected school. To evaluate the effectiveness of planned teaching on knowledge regardingOBJECTIVES: rd Human Milk Banking among 3 year GNM students in selected school. The researcher conducted pilot study and usedMETHODOLOGY: quantitative research approach with pre-experimental one group pre-test post-test design in selected school. Among 10 samples who gave consent for the study and were selected through non probability convenient sampling technique. The tool was validated by experts was used to assess the knowledge of students. The researcher found the study feasible and reliable. Main study was conducted in a similar other than the one used in pilot study. After acquiring the necessary consent, the main study was conducted among 100 subjects of selected school. The ndings of theRESULT: study included, the analysis and interpretation of data collected from the subjects in the selected school. In this study, out of 100 subjects most of the subjects, 48 (48%) of subjects were in the age group of 18-20 years. 71 (71%) subjects were female. 62 (62%) subjects were urban area of residence. 58 (58%) subjects had previous knowledge regarding Human Milk Banking. 43 (43%) of them had information from books. In pre-test 18 (18%) subjects had poor level of knowledge score regarding the Human Milk Banking, while 70 (70%) had satisfactory knowledge, whereas 12 (12%) subjects had good level of knowledge score and none of the subjects had excellent knowledge about it. While in post-test 4 (4%) subjects had satisfactory level of knowledge score regarding the Human Milk Banking, while 33 (33%) had good knowledge and 63 (63%) subjects had excellent level of knowledge score. The analysis of the study revealed that there was a signicant improvement in the knowledgeCONCLUSION: of subjects regarding Human Milk Banking. The planned teaching proved to be effective in improving the knowledge of students in selected school.