The School of Teaching ESL is the public name for the nonprofit organization, Training Supervision and Consultants, which has been registered in Washington State since 1986. A Board of Advisors supports this  organization.

Current board members are:

• Allison Deno, Bellevue School District
• Martha Durkin, Tucson City Attorney’s Office
• Patty Heiser, University of Washington, English Language Programs
• Kristina Mason, Highline Community College
• Leslie Norton, Ameriprise Financial Services
• Garnet Templin-Imel, Bellevue Community College