Mariposa County High School is a public high school located in Mariposa, California.

Founded in 1914, Mariposa County High School was conceived after an election was held to figure out if the county should have a high school.

The election was won with the majority of 666 beating those 608 votes against the school.

[2] The school celebrated its 100th birthday in 2014.

[3][4] 2016-17[5] 510 students The school is part of the CIF Sac-Joaquin Section in the Southern League along with seven other schools.