JFS has raised more than £1 million in a 36-hour appeal, reaching its seven-figure target.
More than 2,500 donors contributed to the fundraising campaign which involved 900 volunteers and ambassadors.
They included pupils who were invited to join by making small donations in honour of teachers and staff who have supported them.
Headteacher Dr David Moody said the response “from our community has been extraordinary. Seeing students choose to thank the teachers and staff who have supported them was one of the most moving moments of the campaign. We are enormously grateful to everyone who helped make this possible and in particular our teachers and staff for everything they do each day."
Mark Hurst, chair of governors, said: “It was inspiring to see students parents grandparents alumni staff and the wider community unite behind a shared vision for JFS.
“The funds raised will strengthen educational excellence, SEND and pastoral support, enrich Jewish life and learning and help prepare our students for the future as we approach the school's 300th anniversary [in 2032].”
Tomer Aboody of MT Finance, a corporate sponsor and parent, said: "Supporting young people who have the aspirations to fulfil their ambitions, not only through hard work but also via showing initiative and focus, is a cause we are proud to support "
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