Vista Unified School District
Vista Unified School District is a public school district headquartered in Vista , California , United States . 
<triplet> Vista Unified School District <subj> California <obj> located in the administrative territorial entity <subj> United States <obj> country <triplet> Vista <subj> United States <obj> country <triplet> California <subj> United States <obj> country <triplet> United States <subj> California <obj> contains administrative territorial entity