This study introduced examples of an exchange between the intellectual disabilities special support class and the usual class in the junior high schooL And made it clear about how students of the usual class evaluated this practice. Students of the usual class gave the exchange best in 1 year "the outdoors cooking on stay training". The outdoors cooking had 3 good points. All the students could act to the same purpose. After students made, it was possible to eat together. It was easy to participate for students of the special support class. On the other hand, students had some problems. For example, they were concerned with communication, a rule by a group , improper behavior and so on. In conclusion, there were 4 ways of the desirable exchange between the intellectual disabilities special support class and the usual class. L Both the students of the intellectual disabilities special support class and the students of the usual class have to be able to enjoy themselves. 2. Not only students share the same place, but also they have to concern each other. 3. Students have to notice good points each other and exchange at the same position. 4. When the students have caused trouble, a teacher has to support it appropriately.