Alliance for Service-Learning in Education Reform defines the Service-Learning (SL) as an education method that offers students guaranteed opportunities of simulating a scene of utilizing their academic skills and knowledge so that they can solve practical problems in local community. This article reports the result of a practice of the SL in an intermediate/advanced class of learning Japanese in a Japanese language school in Tokyo. I present an overview of the program and summarize the results of students' self-evaluation with a Can-do list and group interviews. I found from the results that many students improved their self-confidence in their speaking skills, especially in expressing their opinions. They also seemed to rediscover themselves in the community by recognizing various values in the society.