Just read this article and was interested in people’s thoughts (Residents of a quiet neighbourhood say their lives are being ruined by their neighbour's huge fence (2.4m) as it makes them feel "imprisoned".)
I have sympathy for them, but can understand that the school has safeguarding concerns.
https://www.thesun.co.uk/money/22991367/lives-ruined-neighbour-privacy-fence-prison/