O'Connell College Preparatory School (formerly O'Connell Consolidated High School) is a 4-year coeducational parochial/private high school in Galveston, Texas, United States that offers university-preparatory programs. It was founded in 1968 as a consolidation of Galveston Island's three existing Catholic high schools: Kirwin High School (Boys, founded in 1927) and Dominican High School (Girls, founded in 1882) and Ursuline Academy (Girls, founded in 1847) and is the only Roman Catholic high school in Galveston County.