schoolfellows
nounUK /ˈskuːlˌfeləʊz/
US /ˈskuːlˌfeloʊz/
Schoolfellows are the kids who go to school with you.
Tom and his schoolfellows walked home together after class.
OTHER MEANINGS
2. Children who attend the same school as each other.
The two schoolfellows had known each other since first grade.
3. Companions or associates from one's school days.
He met an old schoolfellow at the reunion.
4. People who share a school as a common background.
The schoolfellows stayed in touch long after graduation.