| Abbreviation | Definition |
|---|---|
| JUTA | Jammu University Teachers Association |
| JVET | Journal of Vocational Education and Training |
| JVS | Junior Varsity Sports |
| JWES | John Wetten Elementary School |
| JWJ | James Weldon Johnson Community School of the Arts |
| JWL | Jesuit Worldwide Learning |
| JWS | John Woolman School |
| JWS | Joseph Wharton Scholar |
| K | Kindergarten |
| K.I.C.K.S. | Kids Involving Cops for Knowledge and Sport |
| K12 | Kindergarten through 12th Grade |
| K-12 | Kindergarten-Twelfth Grade |
| K-5 | Kindergarten-Fifth Grade |
| KA | Kids To Adults |
| KA | Knowledge Area |
| KAA | Kids All Around |
| KAAA | Kansas Acoustic Arts Association |
| KAAC | Kentucky Association for Academic Competition |
| KAAE | Kentucky Alliance for Arts Education |
| KAB | Kids Against Bullying |