Star Valley High School is a high school located in rural Afton, Lincoln County, Wyoming, United States.

[3] At the beginning of the 2012–2013 school year, Star Valley High School was a recipient of the National Blue Ribbon School of Excellence award from the National Department of Education.

[1] 20.4% of the students receive free or reduced lunch.

[1] Despite the relative poverty of its students, it is ranked high in academics (9 out of 10).

[5] Star Valley competes in classes 3A and 4A in Wyoming high school athletics.