The boy was reunited with his mother this week after being placed in foster care. When the parents appeared before a D.C.judge, they argued the city didn't have a right to take their children because they are Maryland residents in Prince George's County.
School officials say it's not uncommon for out-of-state students to attend D.C. schools because the city has all-day kindergarten and pre-k programs. But out-of-state students are supposed to pay
The school system only has one investigator to verify students' residency.
Four students were taken to a hospital after they either sniffed or swallowed the drug.