input: [0] Contribution Limit [529 Prepaid Tuition Plan] Fixed by terms of contract you purchase [Educational Savings Account] Contributor: $2,000 per beneficiary per year Beneficiary: $2,000, does not matter how many ESAs are set up. [Custodial Accounts] No limit [Savings Bonds] No limit [529 College Savings Plan] 
output: Varies from plan to plan. Majority of plans permit total contributions in excess of $250,000 per beneficiary.