Glenwood High School may refer to:

in Australia Glenwood High School (Australia), Glenwood, NSW, Australia

in Scotland Glenwood High School, Glenrothes, Glenrothes, Fife, Scotland

in South Africa Glenwood High School (Durban), Durban, South Africa Glenwood High School (Pretoria), Pretoria, South Africa

in the United States (by state) Glenwood High School (Alabama), Phenix City, Alabama Glenwood High School (Arkansas), Glenwood, Arkansas Glenwood High School (Georgia), Glenwood, Georgia Glenwood High School (Illinois), Chatham, Illinois Glenwood High School (Iowa), Glenwood, Iowa Glenwood High School (Ohio), New Boston, Ohio