Good on these parents.
I try to take a similar approach at my Boy's school in #Warwickshire, though as it's often only me, the impact is limited, and people will just park in front of me anyway.
My years-long calls for #SchoolStreets are met with platitudes from #WarwickshireCountyCouncil
but no actual action - money is cited as one issue, of course. Meanwhile the problem worsens seemingly by the week, especially now the weather has turned.
https://www.leicestermercury.co.uk/news/local-news/picketing-parents-say-its-only-7825129