That the choice of a branch of the study in the fourth preparatory phase affected by several indicators measured like brushed student in third grade average and is measured indicators related to the desire of the parents and the student's desire and circumstances experienced by the student.
The applications have statistics in real life a prominent role in the development of solutions and to identify the factors affecting the phenomenon without the other. The analysis method is featured one of the important means used in the process of excellence for specific groups under study. We decided to use this method for the classification of students passing from the intermediate stage to the scientific and literary branches in the fourth grade preparatory particular it is a new experience to divide the students after they swear after the fourth stage of the preparatory.
Where the sample size was taken (50) Single random sample reconnaissance sample was distributed to middle school students in a beautiful area schools in Rusafa of Baghdad divided into 25 single from the scientific section and 25 single literary section.
It was found that the most important lessons that we rely on to classify students as the scientific and literary branch is Arabic and English, physics, mathematics, history, geography and computer material and the desire of parents is a high percentage.
It provides researchers recommends the distribution of a questionnaire for students applying to study normal to see their desire and the desire of parents to choose the desired section.