prom or graduation?

A student at an Ohio school has to make a choice between going to prom with his girlfriend and being able to graduate. He goes to a Christian school and his girlfriend goes to a public school. If he attends her prom, his school is not going to allow him to attend graduation ceremonies. Here's a link to the whole story: http://news.yahoo.com/s/ap/20090508/ap_on_re_us/us_school_dance_flap