“This is the best course of action at this time for everyone’s wellbeing,” parents were informed.
The email, which promised further communications would follow, was signed by headteacher Judith Caplan, chair of governors Ashley Donoff and chair of trustees David Landy.
NWLJDS has 258 pupils between the ages of three and 11.
The move followed a statement by St John’s Wood Synagogue that “one of our team has now confirmed to have the coronavirus and was in attendance at the Purim party”.
The synagogue has since clarified that associate minister Rabbi Yoni Golker had tested positive and was in quarantine.