Schools will have five years to phase out waiting lists for new students.
Legislation will come into effect in September 2021 which change the rules.
Parents will only be able to apply for a place in a school for their child the year before they are due to attend.
It means a baby's name can't be put on a waiting list years in advance.
Brian Mooney, Education Columnist & Guidance Counsellor, says it will be a challenge for schools to come up with new policies: