The Texas Regional Collaboratives for Excellence in Mathematics Teaching were formed to improve the academic achievement of students in mathematics through teacher professional development. Twenty institutions across the state of Texas serve as Mathematics Regional Collaboratives.

• Region 1 Collaborative/Edinburg
• Region 2 Collaborative/Corpus Christi
• Region 3 Collaborative/Victoria
• Region 4 Collaborative/Houston
• Region 5 Collaborative/Beaumont
• Region 6 Collaborative/Huntsville
• Region 7 Collaborative/Kilgore
• University of Texas at Tyler/Tyler
• Region 8 Collaborative/Mount Pleasant
• Region 9 Collaborative/Wichita Falls
• Region 10 Collaborative/Richardson
• Region 11 Collaborative/Fort Worth
• Region 12 Collaborative/Waco
• Region 13 Collaborative/Austin
• Region 14 Collaborative/Abilene
• Region 15 Collaborative/San Angelo
• Region 16 Collaborative/Amarillo
• Region 17 Collaborative/Lubbock
• Region 18 Collaborative/Midlan
• Region 19 Collaborative/El Paso
• Region 20 Collaborative/San Antonio
• Our Lady of the Lake University/San Antonio
• UT Brownsville
• North Central Texas College/Gainesville
• Lake Houston Collaborative/Humble
• UTSA Collaborative/San Antonio
• UHCL Collaborative/Houston