| Abbreviation | Definition |
|---|---|
| JCMS | Johnson County Middle School |
| JCMS | Jonas Clarke Middle School |
| JCMS | Joyce Clark Middle School |
| JCMS | Junction City Middle School |
| JCOS | Jefferson County Open School |
| JCPS | Jackson County Public Schools |
| JCPS | Jefferson City Public Schools |
| JCPS | Jefferson County Public Schools |
| JCPS | Jersey City Public Schools |
| JCS | Jackson Christian School |
| JCS | Jackson City Schools |
| JCS | Jefferson County Schools |
| JCS | Johnston County School |
| JCS | Johnston County Schools |
| JCS | Jonas Clarke School |
| JCS | Julian Charter School |
| JCSA | Jonas Clarke School Association |
| JCSC | Jennings County School Corporation |
| JCSD | Jackson County School District |
| JCSD | Jamaica Christian School for the Deaf |