More Temple students are living off campus and many of their leases begin Monday. Students, many of whom pay more than $500 a month to live near Temple, have re-energized the long-depressed area, but some say more needs to be done to curtail parties and littering. So ward leaders, developers and landlords are working together to create a "business improvement district" modeled after University City. A tax on rental property and other businesses would fund extra police patrols, litter removal and other services.