| Abbreviation | Definition |
|---|---|
| KHS | Kennebunk High School |
| KHS | Kennedy High School |
| KHS | Kennett High School |
| KHS | Kenston High School |
| KHS | Kimball High School |
| KHS | Kimberly High School |
| KHS | Kingdom High School |
| KHS | Kingman High School |
| KHS | Kingussie High School |
| KHS | Kingwood High School |
| KHS | Kingwood High School's |
| KHS | Kirkwood High School |
| KHS | Knight High School |
| KHS | Knightdale High School |
| KHS | Kohala High School |
| KHS | Kuna High School |
| KHSD | Kern High School District |
| KIHS | Keewaytinook Internet High School |
| KIHS | Kent Island High School |
| KIPP | Knowledge Is Power Program |