School plays an important function in teenagers’ lives. The mission of all educational institutions should be to provide young people with knowledge and prepare them for life in society. School can open doors and offer prospects for a better future. The average teenager spends eight hours a day at school. The school should be friendly and become the main place of development. The labour market is changing, so the task of the school should be to create an entrepreneurial attitude. The psychological term which connects this two facts is called self-efficacy. Self-efficacy is defined as a personal judgement of “how well one can execute courses of action required to deal with prospective situations”. School success is composed of good marks and good functioning in the school environment. Creating school adjustment should be a necessity for teachers, not a choice. “School of Entrepreneurship” is a program for young people to create the self-efficacy in the student life. The program was created by Happy Childhood Foundation in Lublin and was attended by about 1800 students in 2017. This article describes this program and how important it is for students is to improving the self-efficacy and be brought up to entrepreneurship.