Schools across the nation, including North Carolina, were hit in the Canvas cyberattack that ground many schools to a halt.

A system that thousands of schools and universities use to support instruction was back online Friday after it went down during a cyberattack, creating chaos as students tried to study for finals

The hack of Canvas affected universities nationwide and in New Jersey, including Rutgers, Princeton, Montclair State University and others.

Nearly 9,000 schools worldwide are affected, the hacking group ShinyHunters posted online, with billions of private messages and other records accessed.

Students and universities across North Texas scrambled after the outage, prompting warnings, password resets and exam schedule changes.

Schools and universities across the country are recovering from an outage tied to a cyberattack that knocked down Canvas

Canvas access was restored late May 7 after a cyberattack disrupted colleges across California during finals week.

A company called Instructure was hacked by a group called ShinyHunters Thursday. Instructure is behind the learning management system called Canvas, which thousands of students and teachers rely on. CBS News New York's Ali Bauman reports.