"set off for school" is a correct and commonly used phrase in written English.
It means to start or depart on a journey to school. You can use it anytime you are describing the act of leaving for school. Example: "The children ate a quick breakfast and then set off for school, eager to start their first day of classes."
She set off for school, wondering how she would get there without the bridge.
The girls have to fetch water and cook before they set off for school and when they get back.
Before Samir and Shelley set off for school, Shelley checks the fridge and kitchen cupboards to make sure there's food for supper and for tomorrow's breakfast.
"Now, only a few years later, I was conducting my own autopsy on all those dead Chinese I had seen lying by the roadside as I set off for school".
It was the last Friday before half term – 21 October 1966 – and, like hundreds of other children across Aberfan, Jeff set off for school that day looking forward to the holiday ahead of him.
AFTER all those attentive early childhood rituals -- the flashcards, the Kumon, the Dora the Explorer, the mornings spent in cutting-edge playgrounds -- who wouldn't want to give their children a head start when it's finally time to set off for school?
Bower is not the first to tell the story of how he would complete two paper rounds before setting off for school; the money he earned would be spent on buns, sold on at a profit to his classmates.
In the morning he washes and dresses himself before eating breakfast and then sets off for school.
After waking at 8am, he washes and dresses himself before eating breakfast, and in term time, setting off for school.
Only this morning, as my son set off for a school trip to the Science Museum, he promised to say hi to "the man on the toilet", their father's iconoclastic nickname for the Albert Memorial.
It's believed that Jason got dressed in his work uniform and then set off for the school.
