Hundreds of foreign students at dozens of colleges across the country have had their higher education experience turned upside down as the Trump administration has expanded its immigration crackdown beyond those involved in the pro-Palestinian protests.

International students are seeing their visas revoked for infractions as minor as traffic violations, while colleges are having to check immigration databases to find out whether their students are still allowed to be in the country.

Ivy League universities, state schools and community colleges have all been impacted as students decide whether to find legal counsel or leave the country before Immigration and Customs Enforcement (ICE) comes for them.

Here is what to know:

How many students and colleges have been affected?

Exactly how many visas have been revoked is unknown because the State Department has declined requests to share numbers and some schools are too afraid to speak up.

An Inside Higher Ed tracker has the number of colleges and universities affected by the visa revocations at more than 80, including public and private institutions in a wide range of locations and sizes.

Secretary of State Marco Rubio said last month that more than 300 student visas have been revoked under the Trump administration, with more coming every day.

“We don’t discuss individual visas because of the privacy issues involved," State Department spokesperson Tammy Bruce said Tuesday. "We don’t go into statistics or numbers;........

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