Klein Forest High School is a public senior high school in unincorporated Harris County, Texas, near Houston. It is a part of the Klein Independent School District. It was the second high school built in Klein ISD. Opening in the Fall of 1979, Klein Forest welcomes students from the southern side of the district, including the area of F.M. 1960. Klein Forest celebrated its 30th anniversary in 2009. There are two intermediate campuses and eight elementary schools within its feeder pattern. In the spring of 2011, Klein Forest opened an NCAA-modeled athletic facility. Klein Forest serves grades 9-12. A portion of the Near Northwest district is served by the school.