(CNN) A 14-year-old boy in Ohio disappeared on his way to school 10 days ago and has not been seen since, the Port Clinton Police Department said.

Harley Dilly was last seen December 20 in Port Clinton, Ohio as he left for school between 6 and 7 a.m. -- but he never arrived, police said.

He is described as white, 4-foot-9-inches tall, 100 pounds in weight, with brown hair and green eyes. He was last seen wearing glasses, grey sweatpants, a maroon puffy jacket and black tennis shoes, police said.

A $7,000 reward is being offered for information leading to his return. According to law enforcement, they have no information that Harley was abducted or injured.

On Thursday, the Port Clinton Police Chief said 75 law enforcement agencies searched approximately 150 acres using helicopters and canine search and rescue teams, but they had no new information they could share.

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