Which of these responsibilities is performed by the US Department of Education? distributing federal funding to states for education operating public schools daily determining what must be taught in all schools enforcing anti-discrimination laws

The answer is: Enforcing anti dicsrimination laws

Responsibilities refers to the things that a person or an organization must do regardless of their preferene. (following the constituiton would be a responsibility to all citizens without any exception)

Distributing federal funding, operates the school, and determining the type of curriculum should be made is what we referred to as 'rights', not responsibilities.

enforcing anti-discrimination laws