What's the interest rate on this account? <a href="https://sofaforma.lt/bactrim-dawkowanie-syrop-g1g9">can bactrim ds treat tooth infection</a> For the coming school year, the interest rate for undergraduates is 3.86 percent, and for graduate students it is 5.41 percent. The rate for PLUS loans, which are taken out by parents of students and graduate students, is 6.41 percent. These rates will lock in for the lifetime of the loan. All are lower than the original rates of 6.8 for undergraduates and graduates and 7.9 percent for PLUS loans.