Really? My high school soccer team had Brazillian citizens, Colombian citizens, and even an Irish citizen. They won the state championship and made it to the finals every year I was there.
As hard as it may be for you to believe, there are no laws against non-citizens attending schools whether private (like mine) or public.
My son's high school soccer team had exchange students on every year...from various contries all over the world. We have a very large Mexican population (legal and I'm sure illegal) here. But whether or not this boy was legal or illegal, this is a small gesture by the school which the members of his team would appreciate as well.
Cindie
Izzy Dunne, you seem to have a problem with foreigners attending public schools in the US. In your opinion, they should be send to ghetto schools or even better, send home, right? Foreigners out, is that what you want Izzy?
And if foreign students are allowed to visit schools, they shall be banned from after-school sports. No US tax money for non-US kids. US kids shall play with US kids only, what? Izzy, I recommend you to do the "am I antisocial"-test... I really cannot believe your attitude.