It really only exists on paper at this moment but it's in the pipeline. It's not DL but it has a new design that might be interesting for some. https://www.ft.com/content/8825e72c-023c-11ea-b7bc-f3fa4e77dd47
I was going to kvetch about the paywall, but in the interest of being useful rather than just complaining, The Guardian has this article about them, and they'll merely nag you for money: https://www.theguardian.com/education/2019/jun/18/set-up-a-successful-school-start-a-university-ed-fidoe
Go direct. Site is here: https://www.londoninterdisciplinaryschool.org/?gclid=EAIaIQobChMIzu23kI3l5QIVVdyGCh2w2AluEAAYASAAEgKg5vD_BwE
