As for the cost of attending the university, students should understand that the tuition forms only a portion of the expenses that are involved in the overall cost of attendance. There are several other expenses that are involved in the cost of attending the university, which primarily includes housing, dining, textbooks, supplies, and the cost of living. For students attending the university, the total tuition and fees for one year add up to about $13,470. In addition, the students will be needed to pay an average expense of $1,200 for books and supplies, $6,720 toward room and boarding, and $3,930 for different other expenses in a year. So, the overall cost of attending USAO comes out to be about $25,320 per year, according to the most recent information available. At the university, in-state students will be required to pay an amount of $8,040 toward tuition and fees, while out-state candidates need to shell out $18,900.