Klein Collins High School is a public high school located at 20811 Ella Boulevard in unincorporated Harris County, Texas, United States. The school, with a Spring, Texas postal address but outside of the Spring census-designated place, serves students in grades 9 through 12, as part of the Klein Independent School District. The 555,000-square-foot (51,600 m2) school sits on a 117.5-acre (0.476 km2) site. The school serves several sections of unincorporated Harris County, including sections of Forest Ridge. The school's official student newspaper is the Legacy Press.