Public elementary school students; physical activity. Increases from 20 minutes to 30 minutes daily, and from an average of 100 minutes to 150 minutes per week, the minimum amount of time provided to public elementary school students for programs of physical activity. The bill provides that no student shall be prohibited from participating in a program of physical activity as a form of disciplinary action, with the exception that a student may be prohibited if it is determined that such program constitutes a health or safety risk to the student.