Murphy first spoke to the New York Times about his planned announcement.
The governor and officials are scheduled to hold a 1 p.m. coronavirus briefing Monday.
The policy will allow students and school officials to be unmasked as of March, two years after the pandemic gripped the country and the region.
In November last year Murphy became the first Democratic governor in more than four decades to win reelection in New Jersey.
Murphy’s narrow victory was seen by some as a verdict on his and other Democratic leaders’ commitments to mask and vaccine mandates, which the governor championed.
This is a developing story and will be updated.
