The school began construction in 1960 and opened in September 1961.
It was situated on the site of a World War I army airfield, Rich Field.
The most celebrated athletic success at Richfield was back-to-back Texas state girls' basketball championships in 1984 and 1985.
The Richfield Ramblers (changed from Rams) completed both seasons with undefeated records and had a combined record of 66–0, one of the greatest accomplishments in Texas high school basketball history.
This article about a high school in Texas is a stub.