Homes by School District Tucson Unified Schools (1) Marana Unified Schools (6) Flowing Wells Unified Schools (8) Amphitheater Unified Schools (10) Sunnyside Unified Schools (12) Tanque Verde Unified Schools (13) Catalina Foothills School District (16) Vail School District (20) Sahuarita Unified Schools (30) Empire School District (37) Continental Schools (39) Altar Valley School District (51)