Better you do some investigations - by online and correspondence. There is chance that most of the graduate programs provide some kind of assitantship - eiother Teaching Assitance or Research Assitance. It may be even grading paper. If you get one you can complete you graduate school easily. Also if you are determined for higher study it may be better to serach for university with Masters leading to PHD. If you are able to find one - You can earn your PHD within 5 years after your bachelors degree.