7 times in history when students turned to activism (The Newyork Times)

https://www.nytimes.com/2018/03/05/us/student-protest-movements.html
Here are 7 cases when young people were moved to challenge adult society.
           Greensboro sit-ins, 1960 
student sit-ins contributed to the passage of the civil Rights ct of 1964 student protest againt authority exploded on multiple continents
            University uprisings, 1968
student protest against authority exploded on multiple continents 
           Apartheid divestment, 1970s-80s
They set in motion a global movement against apartheid
           Tianannmen Square 1989
Hundreds of students possibly thousands were killed and it showed how far the government would do to supress dissent (China is still not a demeocracy)
            Velvet Revolution, 1989
It was one of the most rapid and complete successes for a student-led movement in modern history. Just 11 days after the protests began, the communist party of Czechoslovakia relinquished. 
                 Iran, 1999
Since Iran’s 1979 revolution, student activists had generally been tied to political parties. After the 1999 protests, that ceased to be the case.
             Black Lives Matter, 2013-present
protest against gun violence

Nowadays psychologists say that there is  a new phase in the life course between adolescence and childhood "emerging adulthood" At that time Young people are relatively free from adult responsabilities and ready to play a full part in our society which is a very good thing.