As for the school, just be straight up and tell them. No extra info needed.
Me 36; H 40 baby born in May M:13, T:15 Bomb (OW): Dec 09 began DBing: Feb WH overseas with OW old: http://www.divorcebusting.com/forums/ubbthreads.php?ubb=showflat&Number=2027369#Post2027369