| รายชื่อสถาบันที่เปิดสอน ESL ที่รัฐ Colorado | ||
| ชื่อสถาบัน | เมืองที่ตั้ง | |
| Bridge-Linguatec Language Services | Denver, United States | |
| Colorado School of English | Denver, United States | |
| Colorado State University - Intensive English Program | Fort Collins, United States | |
| Economics Institute English Program | Boulder, United States | |
| ELS Language Centers/Denver | Westminster, United States | |
| Emily Griffith Technical College | Devner, United States | |
| Interlink Language Center | Golden, United States | |
| LCI Language Centers-Denver | Denver, United States | |
| Mountain Language Institute | Golden, United States | |
| Spring International Language Center | Denver, United States | |
| SunStone English Seminars | Fort Collins, United States | |
| The New America College | Denver, United States | |
| University of Colorado Denver ESL Academy | Denver, United States | |
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