Bank Smartly® Savings account To open a savings account with a minor of any age, you must go to a branch together. Only one parent needs to be present.Worth pointing out: the adult doesn't have to be a parent. A minor can open a bank account with ANY trusted adult. Minors with an adult, and adults 18 and over can open one of our three checking accounts in minutes. The first question is what are the risks of naming a child under 18 as a direct beneficiary on your bank accounts. Explore checking account options designed to fit your changing needs. Open a Bank of America Advantage Banking account online today. The best teen checking accounts come from Alliant Credit Union, Capital One and Navy Federal Credit Union. Select the checking options that matter most to you.