William Marion Raines Senior High School is a historically black high school in Jacksonville, Florida. The school is located off Moncrief Road in Jacksonville, Florida's northside. Located at the corner Raines Avenue in northwest Jacksonville, Raines serves approximately 1000 students. The school is 97 percent African-American, 1 percent Hispanic, 1 percent Mixed & 1 percent Caucasian. The campus was improved in 1990 & 2002 to include a new science wing, field house and administrative wing.