@chelle Enrolled agents have to take a 3 part proctored exam (pass all 3 parts within 2 years), have more continuing education requirements, are are legally able to represent you in IRS court.
https://www.irs.gov/tax-professionals/enrolled-agents/enrolled-agent-information
@batman96795 Just a tip if someone does go to H&R block, look on their website at the tax preparers that work at that office and pick an 'Enrolled Agent'. They won't screw up.
An example of the info it shows for each agent at an office: https://www.hrblock.com/tax-pros/15238/