Go straight from school, 1 mile cycle/walk, 1 hour train journey (with one change), walk to find somewhere to eat(if time, if not eat after meeting or poss bring picnic), walk to destination, sit quietly for 1/2 hour while a meeting takes place, walk back to train station (1/2 mile), hour home on train, mile walk/cycle uphill home. Estimated arrival home 7/7.30 just in time for stories and bed.
Provided that is the trains run on time....