The sports infrastructure and physical education lessons are of great importance in providing an atmosphere of activity and entertainment and getting out of the atmosphere of scientific and literary lessons and the high pressure that the student suffers from, and this affects the behavior of the pupils in the classroom and the school and its effect on the lesson. It is based on aggressive behavior within its calculated limits and set goals for this research through knowing the reality of the infrastructure and its effects on the behavior of students. The researcher assumed the existence of statistically significant differences between the mathematical infrastructure and the aggressive behavior of students with its acceptable limits. Education Al-Karkh / 2 and a sample of students, teachers, and administrations, and the results were identical to what the researcher went to, which appeared through the results of Chapter Four and the most important conclusions:1-The absence of the mathematical infrastructure has a prominent role in suppressing the movement of pupils, which is reflected by the student in the classroom.2-The pupils ’aggressive behavior is acceptable to teachers at its minimum due to the large number of students in the classroom or the absence of the student’s sports and entertainment infrastructure.The most important recommendations:1- The sports infrastructure should be taken care of in a way that suits the numbers of students.2- Increasing the quotas for the physical education lesson.3-The introduction of teachers in developmental courses for the subject of educational psychology.
 
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