Sinn Fein is calling on the government to end voluntary school contributions, which it says is putting financial pressure on families.
The party says parents are being asked to make up shortfalls in government funding, with some receiving requests for as much as €400 from schools.
It comes as students have started returning to schools this week.
Speaking to East Coast FM's Morning Show, Wicklow TD John Brady says many parents don't have the money to give to schools.
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Sunny intervals
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Sunny intervals
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Sunny intervals
High: 29°C | Low: 16°C