ICHS may refer to:

• Ilford County High School, Ilford, England
• Immaculate Conception High School (disambiguation)
• Inveralmond Community High School, Livingston, Scotland
• Indian Creek High School (Wintersville, Ohio), United States
• InTech Collegiate High School, North Logan, Utah, United States
• Integrative Center for Homeland Security, at Texas A&M University
• International Committee of Historical Sciences, international association of historical scholarship

This disambiguation page lists articles associated with the title ICHS.
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