| Business | Phone |
| Karl Richter Campus 920 Baird St, Holly 48442 | (248) 328-3170 |
| Adelphian Junior Academy 740 Academy Rd, Holly 48442 | (248) 634-9481 |
| Benjamin H Sherman Middle Schl 14470 N Holly Rd, Holly 48442 | (248) 328-3400 |
| Rose Pioneer Elementary 7110 Milford Rd, Holly 48442 | (248) 328-3800 |
| Holly Academy 820 Academy Rd, Holly 48442 | (248) 634-5554 |
| Holly Board Of Education 111 College St, Holly 48442 | (248) 634-5555 |
| Holly Elementary 810 E Maple St, Holly 48442 | (248) 328-3600 |
| Holly High School 6161 E Holly Rd, Holly 48442 | (248) 328-3200 |
| Holly School Superintendent 111 College St, Holly 48442 | (248) 328-3140 |
| Patterson Elementary School 3231 Grange Hall Rd, Holly 48442 | (248) 328-3700 |