Montgomery County schools have reported fewer public safety calls for service, but an increase in arrests so far this school year compared with last, system officials told the county council on Tuesday. Through March 10, there were 1,329 school service calls and 1,133 resulted in a report being filed. Calls for service are requests for assistance made to law enforcement, medical and fire officials. At the same time last year, the school system reported 2,814 calls for service and 1,170 reports made.