FOXBURG, Pa. -- The Clarion County Coroner's office said a 14-year-old student who collapsed at a western Pennsylvania high school on Wednesday died of an aortic aneurysm.

Nathan Wagner died at a hospital shortly after collapsing Wednesday afternoon at Allegheny-Clarion Valley High School, a school for seventh through 12th grade students about 50 miles northeast of Pittsburgh.

The coroner said it is a natural death, but that an aortic aneurysm is usually something that an older person dies from.

Wagner's body was taken Thursday to Erie where an autopsy was performed.

The school offered its condolences to the family and plans to send a letter home with students on Thursday.