All Saints High School or All Saints Secondary School may refer to:
Canada All Saints Catholic High School (Ottawa), Ontario All Saints Catholic Secondary School, Whitby, Ontario All Saints High School (Calgary), Alberta
India All Saints High School (Andhra Pradesh), Hyderabad
Malaysia All Saints Secondary School, Kota Kinabalu, Sabah
United Kingdom All Saints Catholic High School, Kirkby, Merseyside, England All Saints' Catholic High School, Rawtenstall, Lancashire All Saints Catholic High School, Sheffield, South Yorkshire All Saints Roman Catholic Secondary School, Glasgow
United States All Saints High School (Detroit, Michigan) All Saints High School, a former high school in Washington, D.C., merged into Archbishop Carroll High School in 1989
See also All Saints School (disambiguation)