In San Diego, Gary Petill and Vanessa Zajfen Have KidsÕ Interests at Heart
April 27, 2011 Roots of ChangeThey started by defining “local.” For SDUSD, there are three tiers: “San Diego Local,” within 25 miles of the county border; “Local,” within 150 miles of the SDUSD distribution center; and “Regional,” over 150 but within 250 miles of the distribution center.