Educational Service District 123, based in Pasco, WA, is one of nine ESDs in Washington. Dedicated to delivering collaborativ ... e solutions that promote learning, ESD 123 serves 23 school districts in seven counties of Southeastern Washington. Under Superintendent Darcy Weisner and its board of directors, this legislatively mandated, not-for-profit educational organization provides efficiency of educational systems and equity of learning opportunities for over 73,000 Washington students. For more information about ESD 123, please call 509-544-5700 or 888-547-8441 or visit www.esd123.org. read more