The aim of my thesis was to investigate in what grade teachers who work within special education make use any methods to train the working memory of their students to improve learning ability. I also wanted to examine the material used to train working memory and if any results were noticed. My choice of method was qualitative semi-structured interviews that were recorded during the interviews I conducted these in five different school with education for children with intellectual impairment. The result shows that the schools that are aware of recent research on working memory training had methods for training with their students. They could also see a result that shows that working memory can be improved with training. In those schools that not were aware of the research was working memory training something they didn`t do consciously. But with other forms of memory training, working memory training sometimes occurred as a result of the memory training.  The survey I did also show that current research has difficulties reaching out to the teachers without the active participation of teachers themselves.