Publishing pupils' photographs in an annual yearbook is a US tradition - but this year a school in Texas has included a surprising addition.
Service dog Taxi Benke is pictured alongside his owner Rachel, 14, who he accompanies everywhere.
Rachel has suffered epileptic seizures since birth and Taxi, a Labrador-Golden Retriever mix, is able to predict the onset of those fits, local news service KENS5.com reported.
The pair met four years ago when Taxi was rejected from a Guide Dog training scheme due to a "cat distraction problem".
Rachel's mother Theresa said the pair have been inseparable from the outset, despite her daughter previously being afraid of animals.
Their bond is so strong, Taxi was able to sense his owner was about to have a fit when they were apart during sports lesson.
"Her aide was holding Taxi on the side and he just started pulling away from the aide as hard as he could trying to get to Rachel," Theresa Benke explained.
Taxi's senses were correct as her daughter then suffered a grand mal seizure, and the dog would not leave her side.
"I don't know how Taxi knew this but he wouldn't let anyone near her until the paramedics arrived," she added.
This year the family requested that Taxi feature alongside Rachel in her school yearbook.