According to Don Bosco, school is often part of the causes of disease in the behaviour of young people, especially when it doesn't help to live, but tends to exclude and complicate the life of a teen-ager. The educational model of the latest century has been extremely influenced by the researches of Don Bosco. Putting first an educational system intensely based on the intellect, the great pedagogue of the XIX century gave great importance to the human and Christian values.