In many countries private collages are provide scholarships to help those students whose parents are not afford todays expensive education.It is good way to provide education to the poor child.
Private schools are often older, smaller and have wealthy, generous alumni who donate a lot of money to the school. They can use that money to give generous scholarships.
Not all the colleges but some colleges give scholarships but they all have some criteria for it like percentages in the field you have chosen for the higher secondary. Comparing Fractions Worksheets