WASHINGTON (AP) -- Borrowing for tuition, housing and books would be less expensive for college students and their parents this fall but the costs could soon start climbing under a bill the Senate passed overwhelmingly Wednesday.
The bipartisan proposal would link interest rates on federal student loans to the financial markets, providing lower interest rates right away but higher ones later if the economy improves as expected. The measure was similar to one that already had passed the Republican-led House and leaders from both chambers said they predicted the differences to be resolved before students start signing loan documents for the fall term.
"This compromise is a major victory for our nation's students," President Barack Obama said in a statement.
Undergraduates this fall would borrow at a 3.9 percent interest rate. Graduate students would have access to loans at 5.4 percent, and parents would borrow at 6.4 percent. The rates would be locked in for that year's loan, but each year's loan could be more expensive than the last. Rates would rise as the economy picks up and it becomes more expensive for the government to borrow money.
Liberal members of the Democratic caucus were vocal in their opposition over the potentially shifting rates included in the Senate measure, which passed with support from both parties, 81-18. The bill passed with support from 45 Republicans, 35 Democrats and Sen. Angus King, the independent from Maine who helped negotiate the deal.
Sen. Mike Lee, R-Utah, joined 16 Democrats and Sen. Bernie Sanders, the Vermont independent who caucuses with Democrats, to oppose the legislation.
Sen. Claire McCaskill, D-Mo., did not cast a recorded vote.
"This permanent, market-based plan makes students' loans cheaper, simpler and more certain," said Sen. Lamar Alexander, the top Republican on the Senate education panel. "It ends the annual game of Congress playing politics with student loan interest rates at the expense of students planning their futures."
Rates on new subsidized Stafford loans doubled to 6.8 percent July 1 because Congress could not agree on a way to keep them at 3.4 percent. Without congressional action, rates would stay at 6.8 percent -- a reality most lawmakers called unacceptable, although deep differences emerged even among allies as to how to remedy it.
The compromise that came together during the last few weeks would be a good deal for all students through the 2015 academic year. After that, interest rates are expected to climb above where they were when students left campus in the spring, if congressional estimates prove correct.
"That's the same thing credit card companies said when they sold zero-interest rate credit cards. ... The bill comes due," said Sen. Elizabeth Warren, D-Mass. "All students will end up paying far higher interest rates on their loans than they do now."
Warren was among the liberal Democrats who labeled the White House-backed proposal a bait-and-switch measure that would lure in new borrowers with low rates now but would cost future students. Throughout the morning and afternoon, they stood to oppose the compromise.
They failed to stop the measure, which seemed to face a clear pathway in the House, which has already passed similar legislation that links interest rates to the financial markets.
Republican Speaker John Boehner promised to "act expeditiously" and the Republican chairman of the House education panel, Rep. John Kline of Minnesota, predicted "the bill's swift passage."
The top Democrat on the House Committee on Education and the Workforce, Rep. George Miller of California, similarly asked Boehner to bring the bill "directly to the House floor for a vote and to pass it without delay."
And the president also encouraged quick action. "I urge the House to pass this bill so that I can sign it into law right away," Obama said in a statement.
The measure's supporters suggested the compromise is better than the status quo for students returning to campus for fall classes.
"Don't let anyone tell you that this is bad deal for students. This is not a bad deal for students. If we don't pass this, students will pay 6.8 percent on their loans. With this bill, they'll pay 3.86 percent. You tell me which is the better deal," said Sen. Tom Harkin, the Iowa Democrat who chairs the Senate Health, Education, Labor and Pensions Committee.
Harkin said the legislation is not what he would have written if he had the final say. But he also said that he recognized the need to restore the lower rates on students before they return to campus for classes.