Another Chasidic school has been told by Ofsted it should be talking to pupils about people of same-sex orientation or transgender status.
Talmud Torah Toldos Yakof Yosef (TTTYY), an independent school in Hackney for boys from two to 13, was graded inadequate for the second time in two years.
Inspectors criticised weak teaching, a narrow secular curriculum and too little time spent on English, maths, science and geography.
While new policies and procedures met independent school standards, these were being implemented too slowly.