It happens in club soccer. That just shows the level of talent that you start seeing in club. Good on them for reaching the semis.
Where is the stress fracture, how long is the anticipated healing, and what grade is he moving into? Is his school team any good? — although it’s generally club, not school, soccer that gets the looks from colleges.
If he’s interested in playing college, have you started navigating the NCAA forms? They were super fun, at least back in 2001 or 02 or so.
—edit to add: lol feel free to tell me to MYOB. It appears that old soccer moms never die; we just move onto becoming soccer grandmas.