“The DOE has received various reports documenting issues that impact the security and privacy of the Zoom platform,” schools Chancellor Richard Carranza wrote in his weekly digest to principals.

“Based on the DOE’s review of these documented concerns, the DOE will no longer permit the use of Zoom at this time,” he said.

The city Education Department also declined to give school staff permission to use Google video-chatting software as a backup option.

That revelation could sow confusion for thousands of city teachers who have been relying on the Google Classroom platform at the Education Department’s recommendation, and using the Google video conferencing software embedded in that platform to communicate with students.