A war for students' wallets has broken out between banks and credit unions on a handful of university campuses.

Some college-sponsored credit unions in California and Minnesota are angry and worried that their schools have allowed banks to be the sole suppliers of "campus cards" that combine access to university and financial services.

Limited Time Offer

Save $400 off your subscription. Special offer ends April 30, 2017.

14-Day Free Trial

No credit card required. Complete access to articles, breaking news and industry data.