Education authorities in Joensuu have trained over 30 dogs to work as classroom assistants in the city's schools.Hilma is a four-year-old golden retriever.Ronan Browne12:14The second grade students at Karhunmäki school in Joensuu, in the east of Finland, have a very different kind of classroom assistant: Hilma, a four-year-old golden retriever.Hilma is one of over 30 dogs specially trained by the City of Joensuu as classroom assistants.Her classroom duties include deciding which activity the kids will do next and splitting them into pairs for group work.Studies have shown that dogs help children to concentrate.A recent study by the Finnish Institute for Health and Welfare (THL) found that children who grow up with a dog are healthier than their peers.Latest: paketissa on 10 artikkeliaFinland set for a damp weekendUnusually heavy rainfall, particularly in northern Finland, has already caused flooding, with more rain expected towards the end of the week.