Live Chat I-8 Community Nearby Traffic Granite Hills High School (Education school) 2024-06-08 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Granite Hills High School (Education School) Spring Valley, CA 7.59 Lakeside, CA 9.47 Santee, CA 10.24 Interstate highway exits close to Granite Hills High School (Education School) Exit 20a, i8 2.65 Exit 20b, i8 2.81 Exit 19, i8 3.30 Interstate highways close to Granite Hills High School (Education School) i8 map 2.65 i15 map 19.33 i805ca map 19.84 State roads close to Granite Hills High School (Education School) 54 WESTBOUND map 2.57 54 EASTBOUND map 2.68 CA 67 map 5.87