Houston Heights Senior High School opened in 1919. Harvard became a part of Houston ISD in 1921 and Love moved to its current location in 1923. In 1925 Heights High School became Hamilton High School. In 1926 Love received a new campus, Hogg opened, and Reagan opened; Hamilton became a junior high school that year. Field opened in February 1929. The final 8th Avenue building opened in 1958. Sinclair and Waltrip opened in 1959. During the same year, Twenty-Third Street Elementary School in the Houston Heights received fire damage, so it closed. In 1960 Holden Elementary School opened on the site of the former Twenty-Third Street Elementary School. In 1965, Cooley was renovated.