Someone who has high altruism is interpreted as someone who is able to pay attention to others, is able to help others and is able to put the interests of others above personal interests. The reality that is happening today shows the opposite, individual behavior is far from cultural reflective values. The purpose of this study was to describe the altruism of high school adolescents in Ngingasrembyong Village, Sooko District, Mojokerto Regency. The design of this research was descriptive. The population in this study was 43 high school teenagers living in Sidonganti Hamlet, Ngingasrembyong Village, Sooko District, Mojokerto Regency. The sampling technique used was total sampling. The sample size was 43 people. The instrument used was a questionnaire. Data analysis used descriptive analysis. The results suggested that almost all respondents had moderate level of altruism, as many as 34 people (79.1%), and respondents who had low level of altruism were 9 people (20.9%). The picture of altruism in high school teenagers in Ngingasrembyong Village, Sooko District, Mojokerto Regency was mostly moderate. This is due to giving directions to someone you don't know, giving money to charity, donating clothes or goods to charity, showing an officer's error in collecting an item such as a refund for spending money that will be notified to the cashier and returning it, helping classmates who don't I am well acquainted with homework assignments when my knowledge is greater than his, offering to help the disabled or elderly across the street, offering my seat on the train or bus to someone standing, helping an acquaintance move house.