For studies lasting more than three months, a non-EU student normally secures temporary authorisation before travel, obtains a type D visa if required, then completes registration, health checks and a residence-permit application.
Mexico says it will file criminal complaints with US state and federal prosecutors, sue detention operators GEO Group and CoreCivic, and petition international bodies over the deaths of 17 Mexicans in ICE custody or enforcement operations.
The US Supreme Court struck down President Donald Trump's executive order ending automatic citizenship for many US-born children, ruling 6-3 that the 14th Amendment guarantees birthright citizenship.
UN High Commissioner for Human Rights Volker Türk has called for independent investigations into a rising toll of deaths in US immigration detention, putting the system's compliance with international human-rights norms under scrutiny.
The US Supreme Court ruled 6-3 in Mullin v. Doe that federal courts cannot review the Trump administration's decision to end Temporary Protected Status for Haiti and Syria, clearing the way to strip protections from more than 350,000 Haitians and about 6,000 Syrians.