Note that girls were not expected to swim as far as boys. The Bayswater Jewish School still exists under a new name.
The letter inside congratulates Jeanette on winning the prize given by the writer. The writing’s hard to decipher and I can’t find any school in modern Weybridge which corresponds.
I bought a collection of old Lucy Fitch Perkins’ ‘Twins’ books and found this good conduct certificate inside one of them. Didn’t she do well? I’ve tried researching The Convent of the Handmaids of the Sacred Heart of Jesus. It may have been in Foxgrove Road, Beckenham and later moved elsewhere. I don’t think the school still exists but I found an interesting link here (search for ‘Beckenham’ on the page).