The net cost of attending Washington University in St Louis – 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. Generally, the higher the family income of the candidate, the higher is the net amount to be paid. So, it all essentially depends on the family income bracket of the student. At WUSL, the average net price is estimated to be around $27,108. Candidates whose annual family income is less than $30,000 will have to pay a net amount of $5,273. For the individuals whose income is somewhere between $30,001 and $48,000, the amount comes to $6,248. Meanwhile, the net price stands at $11,832 for the $48,001-$75,000 income bracket and at $25,505 for an income between $75,001 and $110,000. This amount adds up to $45,758 for students whose annual family income is more than $110,000.