Fees: Generally speaking, private colleges are more expensive than public ones.
Faculty: Private colleges may have more experienced faculty than government colleges.
Regulation: Government colleges are more regulated than private colleges
Location: Private colleges may be located in more desirable locations than government colleges.
Reputation: Government colleges may have a better reputation than private colleges.
Ultimately, the best way to decide which type of college is right for you is to research the different options available and visit the colleges in person.