North Andover is home to 21 high-level sex offenders, according to the latest state list. The tally includes sex offenders living and working in town.
Massachusetts has three classification levels for sex offenders, with Level 3 representing the most severe offenders.
The names, addresses, and photos of Level 2 and Level 3 offenders are posted online by the state. The identities of Level 1 offenders are not publicized online.
North Andover is home to 28 Level 2 offenders and one Level 3 offender.