The case dealt with the application of the Equal Educational Opportunities Act of 1974 (EEOA) to English Language Learner (ELL) programs in Arizona.

The Supreme Court held that the lower courts applied too strict a standard in their analysis under Rule 60(b)(5) of the Federal Rules of Civil Procedure, which allows for relief from a judgment or order.

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The Court criticized the lower courts for failing to adequately consider whether changed circumstances warranted relief from the prior judgment.

The EEOA requires a state to take "appropriate action to overcome language barriers," but leaves "state and local educational authorities a substantial amount of latitude in choosing" how to meet this obligation.

The Court remanded the case to the lower courts to determine whether Arizona's general education funding budget supports EEOA-compliant ELL programming, rather than focusing solely on the specific district where the violation was claimed and proven.

The Court noted that it is not even clear that the District Court had jurisdiction to issue a statewide order in this case.

The Court explained that the standard for Rule 60(b)(5) relief is not a "likely rare" situation, as the lower courts had suggested.

The Court stated that to succeed under Rule 60(b)(5), the petitioners only needed to show that conditions had changed enough to make the prior judgment's continued enforcement "detrimental to the public interest."

The case highlighted the tension between federal court oversight and state and local authority in education policy.

The Court's decision gave more flexibility to states in choosing how to comply with the EEOA's requirements for addressing language barriers.

The case had important implications for federal courts' ability to enforce long-standing desegregation and education equity orders.

The Supreme Court's ruling in Horne v.

Flores was seen as a significant victory for school choice and local control of education.