A report by the Urban Institute showed that in the single school district of Washington, DC, there were at least 336 gunshots in the vicinity of schools over a single school year. And school shootings have long-term impacts on the school community as a whole: a recent analysis of school shootings found that those involving a homicide reduced student enrollment in the affected schools, and depressed studentsâ standardized test scores by nearly 5 percent.
Skull base chordoma symptoms may include: 1  Headache. 2  Double vision. 3  Facial pain.  Changes in 1  hearing. Difficulty swallowing.
Causes and symptoms. The early symptoms of trachoma include the development of follicles (small sacs) on the conjunctivae of the upper eyelids; pain ; swollen eyelids; discharge; tearing; and sensitivity to light.