Answer:
from school students learn about the social problems and it's concequences, causes and solutions. from school they also starts practicng in homes and they also teaches their parents .
and the parents starts doing or get use to Jew generations and they starts with new environment and slowly slowly the social or problems decreases. ONLY AFTER CHANGING OURSELVES WE CAN CHANGE THE WHOLE WORLD likewise starting from students , students to parents , parents to communities , and communities to societies , and finally the nation