Schools in Collbran, Colorado, the US. Schools locations in Collbran, Colorado. Find the nearest schools locations, near you. All types of business services Accounting ATM Bank Finance Real estate School All schools in Collbran Grand Mesa High School School +1 970-487-3576 57608 Colorado 330, Collbran, Colorado 81624 Write a review Phone Directions Grand Mesa High School School +1 970-487-3576 56600 Colorado 330, Collbran, Colorado 81624 Write a review Phone Directions Little Creek School School Collbran, Collbran, Colorado 81624 Write a review Phone Directions