The education minister says the vaccine rollout list was changed because of strong new scientific evidence.
Secondary school teachers belonging to the ASTI are making it "loud and clear" that class sizes need to be made smaller.
443 more people have contracted Covid-19, and nine more patients with the disease are confirmed dead.
Any industrial action by teachers over removing their vaccine priority won't stop schools reopening immediately after the Easter break.
There's been a 15 percent drop in the number of ICU patients in public hospitals with Covid-19, compared with last week.
Arrivals from 58 countries will be subject to mandatory hotel quarantine from this morning.
Outdoor transmission of Covid-19 accounts for 0.1 percent of the country's Covid-19 cases.