The Education Authority has said that Unite the Union members are set to strike again on Friday.
They said the majority of schools and services will operate as normal, but some disruption to schools, transport and meals is expected.
A spokesperson said: "The Education Authority (EA) has been notified by Unite the Union that members across the organisation plan to take part in further industrial action on Friday 1st April 2022 (one day).
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"Whilst the majority of schools, youth and other EA services are expected to operate as normal on 1st April or with minimal disruption due to contingency plans in place, strike action is expected to cause some disruption to some schools, and transport and school meals services.
"In particular, a number of Special School pupils will be impacted as some EA bus services will not be operating and, in addition, a number of Classroom Assistants are taking part in Unite’s Industrial action.
They added: "We are continuing to implement a range of contingency measures and are working very closely in particular with Special Schools to minimise disruption for children and young people as we very much recognise the impact this has on their day.
"Designated Special School Support Officers will continue to be in contact with all affected schools to assess the challenges faced and to explore all options to ensure continuity of learning.
"Similar to last week, we will also continue to work hard to ensure that the majority of transport and school meal services are delivered. We will make every effort to keep parents, children and young people informed on the latest updates via this webpage, our social media channels and through our schools.
"However, in some cases, services may be disrupted at such short notice that advance notification will not be possible, so considering alternative arrangements now is very important, particularly in relation to transport and school meals.
"Please note that this information may be subject to change..."
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