The changes of parameters of physical development and cardiorespiratory system and physical preparedness of female students, with a view to an estimation of effectiveness of various kinds and modes of physical improving and sports activity during education at high school has been studied. We studied the influence on the integral indicator of the health in female and physical preparedness of female students 1-4 grades. It was revealed that activities in basic medical groups and gymnastic during 4 hour in week had no positive effects. It is established that independent performance of physical exercises of an aerobic orientation 1 hour per week in addition to classes in physical training authentically improves a number of indicators of cardiorespiratory system and physical working capacity. It has been found that training loadings in sports sections of volleyball, basketball, and field athletics for 6-8 hours per week resulted in improvement of physical development and increase of adaptive reserves of cardiorespiratory system.