The purpose of this study is to analyze the differences in satisfaction of the participation
of the parents upon steps to establish Individualized Education Program and seeing out the
direction to improve the satisfaction increasing the participation. For achieving this objective,
the following subject for inquiry has been selected. This study is in accordance with the
country's special school(class) elementary, middle and high school parents and 720 people
purposely selected by the researchers have developed 'Individualized Education Program‘
participation of parents when established in order to solve a research problem of this study
to distribute satisfaction surveys, a total of 514 were recovered. Calculating the response of
the recovered investigate the frequency and the mean and standard deviation, The results of
this study are as follows. First, when the Individualized Education Program was established,
there was no significant difference in participation of parents depending on the placement
agencies(special schools and special classes), and significant differences appeared depending
on schools courses (elementary, middle, and high). Therefore, it can be said that this school
course related with participation of parents. Second, when the Individualized Education
Program was established, there was no significant difference in satisfaction of parents
depending on the placement agencies(special schools and special classes), and significant
differences appeared depending on school courses (elementary, middle, and high). Therefore,
it can be said that satisfaction of parents related to school courses. Third, as parents of
students with disabilities participate in the Individualized Education Program process,
satisfaction was higher for the Individualized Education Program. Therefore, when the
Individualized Education Program was established, parents’ participation can be seen to affect
satisfaction. According to the results, when the Individualized Education Program was
established, parents participation and satisfaction are related with school courses. Therefore,
with a variety of strategies to increase parents participation it will be needed measures to
be beneficial learning environment for students.