Vista Grande High School is a high school in Casa Grande, Arizona, United States, started in 2009. It is part of the Casa Grande Union High School District.
It was opened to relieve continuing enrollment growth at Casa Grande Union High School, which had swelled to over 3,300 students and become Arizona's largest single-campus high school during the mid-2000s as the town it served exploded in population. Ground was broken in 2007 on the of space on the campus.