Maricopa High School is a high school in Maricopa, Arizona under the jurisdiction of the Maricopa Unified School District.

Maricopa High School was opened in 1955 with the first freshman class, which had 35 students, and for the next decade, it held fewer than 100 students.

At the height of the Baby Boom era, Maricopa peaked in 1976 with 218 students.

The 2000s were a decade of stunning growth in Pinal County (which saw 109% growth) and especially Maricopa (which grew 4,180%).

Maricopa High School is now larger than the town of Maricopa was in the year 2000 (1,040 residents).