HCS explained
HCS may refer to:
Education
- Various countries
- Australia
- India
- United Kingdom
- United States
- Hackensack Christian School, in New Jersey
- Hampshire Country School, in New Hampshire
- Hampton Christian Schools, in Virginia
- Hardin County Schools, in Kentucky
- Harrisburg Christian School, in Pennsylvania
- Hawkins County Schools in Tennessee
- Highland Catholic School, in Minnesota
- Hilltop Christian School, in North Carolina
- Hinsdale Central School, in New York
- Holland Christian Schools, in Michigan
- Horry County Schools, in South Carolina
Biology and medicine
Science and mathematics
Technology
Other uses