Another wave of unaccompanied immigrant children is expected to arrive in the U.S. by this fall, according to a new report.

The Migration Policy Institute says 39,000 unaccompanied immigrant children will arrive by the end of the year. The group says 3,000 children came to Long Island in 2014.

Patrick Young, of the Central American Refugee Center, says the kids are escaping from dire conditions in their countries.

"Conditions of extreme violence have been caused by Columbian drug gangs moving into northern Central America," said Young.

To deal with the influx, President Obama issued an executive order that allows them to stay in this country and go to school while judges decide if they should stay or go back.

Some Long Island schools were overwhelmed by the new students. Hempstead found itself under pressure from the state for allegedly turning kids away.

Hempstead School Board President Lamont Johnson told News 12 that he wants better coordination this time around compared to last year, where kids just showed up at school.

In a statement, Johnson said, "Someone from the federal government or state Department of Education needs to reach out and let us know the approximate number of how many children are coming in. We need to know how many are coming in so we can better prepare."

The U.S. Office of Refugee Resettlement says 12,000 arrived so far this year, with just over 200 on Long Island.