The net cost of attending Southwestern University – the actual amount that students and their families are required to pay in a given year – varies depending on the candidate's annual family income. Usually, the individuals who have a higher family income will be required to pay a higher net amount, too. So, it all essentially depends on the family income bracket of the student. At SU, the average net price is estimated to be around $27,757. Candidates whose annual family income is less than $30,000 will have to pay a net amount of $20,296. For the individuals whose income is somewhere between $30,001 and $48,000, the amount comes to $21,578. The amount stands at $20,394 for an annual income between $48,001 and $75,000, $25,750 for the $75,001-$110,000 income bracket, and $31,386 for a family income above $110,000.