Frassati Catholic High School is a private, Catholic coeducational secondary school located in unincorporated Harris County, Texas, near the Spring CDP and in Greater Houston. Frassati Catholic High School is administered by the Dominican Sisters of St. Cecilia Congregation from Nashville, Tennessee. The patron saint of this school is St. Pier Giorgio Frassati. It was the first Catholic high school to be established in the northern portion of Greater Houston.