An Idaho school district is investigating after a preschooler missed his bus stop on his way to school, woke up alone in a bus barn, then made his way to the wrong preschool, where he spent the rest of the day without anyone realizing what had happened.

Bonneville School District spokesman Phil Campbell tells KIFI-TV (http://bit.ly/1NBmeyZ) that about 50 transportation workers searched Tuesday afternoon for the 3- to 4-year-old boy when he failed to return home and was reported missing.

Campbell says the boy apparently fell asleep on the bus and after awaking found his way to a special preschool hosted by the Bonneville High School Early Childhood education program.

The Bonneville County Sheriff's Office conducted a door-to-door search in the neighborhood until the boy was found at the high school and returned to his parents.

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Information from: KIFI-TV, http://www.localnews8.com/