City Rise residents are being warned about a child sex offender who has been released into the community.

Some schools in the Dunedin suburb, including Kavanagh College, informed parents this week.

Department of Corrections staff visited several City Rise schools in the last few days, advising staff of the offender's release.

He's subject to 24 conditions including GPS monitoring, and he's not to associate with anyone under the age of 16.

The offender is living within a 1.5km radius of Kavanagh.

His neighbours have also been notified.

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