The students learn the same books and appear the same examinations. But, some students are far better than others, It is because some take part in the extra curricular activities and others don't.
For the all round development of a student , only the course books and class room activities are not enough . Extra curricular activities play very important role.
These may be games, quiz contests, spelling contests, dancing, singing, oratory contests, drawing, writing poems, stories, essays etc. Games will help them develop their body; keep healthy , learn discipline and other activities with help broaden their mind.
To educate means, to develop the inherent capacity of the students. For this, we should give them of the students. For this , we should give them, chances to take part in the activities of their interest.
It's human nature that everyone likes to win and show one self superior others, So even if a student it weak at theoretical study , he/she can be brilliant at other extra curricular activities.
Moreover , they enjoy taking part in competitions, If they get chances to take part in these activities, they will use free time and can be safe from unlikely activities.