A 4-year-old boy was expected to be released from Children’s Mercy Hospital Tuesday after an incident at the pool Monday at Raintree Montessori School, 4601 Clinton Parkway.

“He’s fine. He had a good night,” said Lleanna McReynolds, Raintree’s head of school. “All the tests came back fine.”

McReynolds said she had last spoken to the boy’s parents Tuesday morning and that they planned to take him home later in the day.

The boy was flown via LifeStar helicopter ambulance to the Kansas City, Mo., hospital about 5 p.m. Monday. He was playing in the school’s pool when he slipped and hurt his head, McReynolds said. Staff members did remove him from the water. He appeared to be fine, but the school called medics as a precaution.

“We’re just really proud of all the staff and how quickly they took action,” McReynolds said. “It all had the best outcome.”