The Union of Students in Ireland says it hopes to get an extra 10,000 students to register to vote in the next 24 hours.
The campaign titled "Education Is" is happening at 24 campuses across the country.
The USI is hoping the campaign will encourage political parties to pursue policies, offering more supports for third-level students.
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It says the recent marriage equality referendum sparked a surge in the number of students registering to vote.
The group president, Kevin Donoghue, says in the run-up to the general election, students are getting more politically active.