We drove round to Colston School to see how it is adapting to the new build-out regime. Looks like they make it easier to turn into the school parking zone. Note, sadly, that someone on a bicycle has nearly missed a pedestrian forced into the road by the large number of schoolkids choosing to walk!
This school has special parent parking zones on both sides of the road, enabling dropoff for parents heading in either direction, such as those in WX02KMY and VN09WOX.
Apparently some legal process will eventually mean these zones will be enforced, but until then, if you pay your road tax: use the spaces