Ofsted inspectors have issued a positive report on the Simon Marks Jewish Primary in Hackney, rating the school as "good" on all fronts.
They found that it got pupils off to a "strong start", and that they achieved "particularly well in English".
As for new head Gill Ross and her team, Ofsted reported that "good leadership and management have enabled the school to identify successfully its key priorities and actions".
Governors' chair Howard Pallis said: "This is an exceptional achievement by a head who has been in the post for just one term. It's confirmation that, under Mrs Ross's leadership, Simon Marks is going from strength to strength." The school roll now stood at 200, its highest ever.
Mrs Ross said Simon Marks was "consistently providing a good standard of education for all students".