Hi,
Excellent!
The history is the outer secondary used to run around Seghill Colliery, up the middle of the current site, and was re-routed to the East when the school was built.
It was a mine, so Pit Lane makes a lot more sense to me than 'Pitt'. I surveyed all this area years ago, so don't have recent ground imagery, and sadly NPE / OS Open don't show anything.

My survey imagery is here, but again doesn't show the Station Road junction where signage might be.
https://www.mapillary.com/app/?pKey=317178264074852

(there's also been a re-baseline of imagery so lots of this area is ENE of the accurate OSM cadastral parcel data)
Happy Mapping,

James