The district has reported 370 cases in the early weeks of the school year, nearly half the total for all of last school year.
The policy would require central office staff to get vaccinated by the end of September.
The marketing agency is continuing two other ad campaigns aimed at local and regional residents.
A spike of COVID cases in prisons. City schools report 116 cases, hundreds of quarantines. And a potential ban on some political contributions for City Council candidates.
Several schools have implemented full or partial vaccine mandates, which they hope will allow in-person classes to continue throughout the year.
Advocates worry about incarcerated youth during the pandemic.
The rules go into effect on Monday, Aug. 16.
The district is encouraging charter schools to consider mandates as well.
Eight state prisoners are hospitalized. And the number of cases at the New Orleans jail remains the same, according to a lawyer for the Sheriff’s Office.
The City Council still needs to vote on the recommendations before they become law.