CHS (high schools)
The following schools are abbreviated CHS:
- Canisius High School, Buffalo, New York, US
- Canterbury High School (disambiguation page)
- Capital High School (disambiguation page)
- Caringbah High School, Sydney, Australia
- Carlisle High School (disambiguation page)
- Carmel High School (disambiguation page)
- Carrington High School, Carrington, North DAKOTA, US
- Catholic High School (disambiguation page)
- Cedarburg High School - Cedarburg, Wisconsin, US
- Cedarcrest High School - Duvall, Washington, US
- Centaurus High School - Lafayette, Colorado, US
- Centennial High School (disambiguation page)
- Central High School (disambiguation page)
- Ceres High School, Ceres - Ceres, California, US
- Chaffey High School - Ontario, California, US
- Chaminade High School - Mineola, New York, US
- Chantilly High School - Chantilly, Fairfax County, Virginia, US
- Chaparral High School (disambiguation page)
- Charlotte High School (disambiguation page)
- Charlottesville High School - Charlottesville, Virginia, US
- Chelmsford High School - Chelmsford, Massachusetts, US
- Cheltenham High School - Wyncote, Pennsylvania, US
- Cherokee High School (disambiguation page)
- Chopticon High School - Morganza, Maryland, US
- Christian Heritage School (disambiguation page)
- Chryston High School - North Lanarkshire, Glasgow, Scotland
- Citadel High School - Halifax, Nova Scotia, Canada
- City Honors School - Buffalo, New York, US
- Clackamas High School - Clackamas, Oregon, US
- Claremont High School - (disambiguation page)
- Clarkston High School - (disambiguation page)
- Classical High School - Providence, Rhode Island, US
- Clay High School (disambiguation page)
- Cleveland High School - Cleveland, Alabama
- Clifton High School (disambiguation page)
- Clinton High School (disambiguation page)
- Colchester High School - Colchester, Vermont, US
- Columbia High School (disambiguation page)
- Columbine High School - Littleton, Colorado, US
- Columbus High School (disambiguation page)
- Communications High School - Wall, New Jersey, US
- Conestoga High School - Berwyn, Pennsylvania, US
- Concord High School (disambiguation page)
- Cookstown High School - County Tyrone, Northern Ireland
- Coronado High School (disambiguation page)
- Cooper High School (disambiguation page)
- Corunna High School - Corunna, Michigan, US
- Countryside High School, Clearwater, Florida, US
- Coventry High School (disambiguation page)
- Covington High School (disambiguation page)
- Crumlin High School - Crumlin, County Antrim, Northern Ireland
- Cullman High School - Cullman, Alabama, US
- Cupertino High School, Cupertino, California, US
- A composite high school, also known as a comprehensive school, a secondary school that accepts all students, regardless of ability