| Business | Phone |
| Hamilton Un Elem School Dist 277 Capay St, Hamilton City 95951 | (530) 826-3474 |
| Hamilton Union Elementary Schl 277 Capay Ave, Hamilton City 95951 | (530) 826-3722 |
| Hamilton Union High School Highway 32, Hamilton City 95951 | (530) 826-3261 |
| Ella Barkley High School 300 Highway 32, Hamilton City 95951 | (530) 826-3331 |
| Hamilton Union High School Highway 32 & Canal Stamp;, Hamilton City 95951 | (530) 826-3261 |