| Location
| Code
| School
| Type
| Notes
|
| Baltimore, MD
| JHU
| Johns Hopkins University
| CTY
| Closest site to CTY's main office, JHU is often visited by bigwigs.
|
| Carlisle, PA
| CAR
| Dickinson College
| CTY
|
|
| Kaneohe, HA
| KNE
| Hawaii Pacific University
| CTY
|
|
| Lancaster, PA
| LAN
| Franklin & Marshall College
| CTY
| Lancaster is the longest-running and largest CTY site.
|
| Los Angeles, CA
| LOS
| Loyola Marymount University
| CTY
|
|
| Saratoga Springs, NY
| SAR
| Skidmore College
| CTY
| CTY site that Lady Gaga (Stefani Germanotta) attended
|
| Bethlehem, PA
| BTH
| Moravian College
| CAA & Young
| Bethlehem is the only site with CTY & CAA courses
|
| Bristol, RI
| BRI
| Roger Williams University
| CAA
|
|
| Easton, PA
| EST
| Lafayette College
| CAA
|
|
| Santa Cruz, CA
| SCZ
| UC Santa Cruz
| CAA
|
|
| Alexandria, VA
| ALE
| St Stephens & St Agnes School
| YS
|
|
| Brooklandville, MD
| STP
| St Pauls School
| YS
|
|
| Chestertown, MD
| CHS
| Washington College
| YS
|
|
| La Jolla, CA
| LAJ
| La Jolla Country Day School
| YS
|
|
| Pasadena, CA
| MTA
| Maranatha High School
| YS
|
|
| Sandy Spring, MD
| SAN
| Sandy Spring Friends School
| YS
|
|
| Windward Los Angeles, CA
| WIN
| The Windward School
| YS
|
|
| Palo Alto, CA
| PAL
| Stanford University
| YS
|
|
| South Hadley, MA
| SHD
| Mount Holyoke College
| YS
|
|
| Thousand Oaks, CA
| CAL
| California Lutheran University
| YS
|
|
| Madrid, Spain
| MAD
| Universidad Francisco de Vitoria
| International
|
|
| Monterrey, Mexico
| TEC
| la VegaCol. Tecnologico
| International
|
|
| Nanjing, China
| ???
| ???
| International
|
|
| Puebla, Mexico
| ???
| ???
| International
|
|
| Baltimore, MD
| MSC
| College of Notre Dame
| Special
| Marine Sciences
|
| Baltimore, MD
| PBD
| Peabody School of Music
| Special
| Civic Leadership Institute, East Coast
|
| Great Barrington, MA
| GBR
| Liebowitz Building
| Special
| Language Immersion
|
| Princeton, NJ
| PRN
| Princeton University
| Special
| completed 10th-12th grades
|
| Berkeley, CA
| BRK
| University of California, Berkeley
| Special
| Civic Leadership Institute, West Coast
|
| Loudonville, NY
| LOU
| Siena College
| CTY (defunct after 2008)
|
|
| St. Mary's, MD
| STM
| St. Mary's College of Maryland
| CTY (defunct after 2005)
| St Mary's was the first CTY site, in 1979.
|
| Owings Mills, MD(?)
| OMS
| Garrison Forest School
| YS (defunct)
|
|
| San Francisco, CA
| SFU
| San Francisco State University
| Special (defunct after 2009)
| Civic Leadership Institute, West Coast
|
|
| Amherst, MA
| AMH
| Hampshire College
| (defunct)
|
|
| ???
| FRK
| ???
| (defunct)
| second Germanotta site
|