The aim of this research is investigation of educational and occupational planning course on students' educational guidance, and their attitude and interest, as well as that of teachers, administrators, counselors and parents towards the students' elected branches.The method was ex-post facto the sample groups were 659 high school and pre-college students, 193 parents, 200 teachers and 69 administrators, counselors and parents randomly selected from Tehran schools. After collecting and analysing data, the following were results: 1. There was a significant difference between interest and attitude of the study group (those who passed The course) and comparison group (those who did not pass the course) towards their elected branches.2. Counselors and administration staff believe that study group has better educational conditions than comparison group.3. There is no significant difference between satisfaction of the study and comparison groups of parents in their children's elected branches.4. Teachers report that there is no significant difference between the 2 groups in school.5. The attitude and interest of girls towards their elected branches was more positive than those of boys.6. The attitude and interest of study groups in technical and Kar-Danesh branches were more positive than the study group in academic branches.