Education Service Center, Region 20 (ESC-20) offers a wide variety of professional development opportunities to assist clients in improving student performance and increasing the efficiency and effectiveness of school operations. Our professional learning products and services are affordable and easily accessible, whether you choose a face to face workshop at ESC-20, a customized service at your campus, or one of our many online offerings. ESC-20 is a Texas State Board of Education (SBOE) approved Continuing Professional Education (CPE) provider.