<sod >ÃÂÃÂ  Students from Northpark Elementary SchoolÃÂÃÂ have been evacuated to the nearby high school for safety and other area schools are on lockdown as a precaution.< eod>< sod > ÃÂÃÂ  Approximately 500 students from North Park Elementary School have been evacuated to the nearby Cajon High School for safety and other area schools are on lockdown as a precaution.< eod>