"The school contacted the Department for Education helpline and Public Health England immediately. The test was conformed positive."
The schools reopened on Wednesday and Thursdays afternoon for secular classes.
Staff and children who came into contact with the girl who tested positive for the virus remained isolating at home.
The Lubavitch schools had offered " a full programme of online lessons and extra-curricular activities for all pupils since the schools closed," Mrs Cohen added.
"Personalised learning has been in place in kodesh {Jewish studies] and chol [secular lessons] for pupils with educational health care plans. While education for the secondary school pupils remains online, the primary schools are in the transition period of moving away from the daily online learning to education on site."
According to the Charedi blogger, Ifyoutickleus, two classes at one independent educational institution in Stamford Hill were closed last week because of coronavirus.
