HCS
HCS may refer to:
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EducationEdit
- Various countries
- Australia
- Hallett Cove School, in Adelaide, South Australia
- Heritage College Sydney, in New South Wales
- India
- Hooghly Collegiate School, in West Bengal
- United Kingdom
- Hereford Cathedral School, in England
- Hull Collegiate School, in England
- 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 medicineEdit
Science and mathematicsEdit
- HCS clustering algorithm
- Heliospheric current sheet
- Hierarchical constraint satisfaction
- Hummocky cross-stratification
TechnologyEdit
- Hard-clad silica optical fiber
- Header check sequence
- Hierarchical cell structure (telecommunications)
- Hub-center steering
Other usesEdit
- Halifax Choral Society
- Halo Championship Series
- Harlem Children Society
- Henry Christian Spencer
- High Council of State (disambiguation)
- The Histochemical Society
- Hollywood Center Studios
- Honoris Crux Silver, a military decoration of South Africa
- Honourable Company's Service or Honourable Company's Ship, used to prefix the names of East India Company ships
- HUMINT Control System, an aspect of the Sensitive compartmented information protocol
- Hyderabad Civil Service, India