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Our Team

Joshua Seldess, Interim Principal

Josh Seldess has been an educator for 27 years, serving as a school administrator in grades K-12. For the past seven years, Mr. Seldess has been an assistant principal in District 65, most recently at Orrington Elementary. Previously, he spent 16 years at New Trier High School teaching social studies and serving as the Freshman Boys Adviser Chair from 2001-2012. He then spent 4 years at Oak Park & River Forest High School as the History Division Head. He holds a Masters of Education from DePaul University and received a Masters of Educational Leadership from Northeastern Illinois University in 2006. Mr. Seldess is passionate about instructional equity and helping all students reach their full potential. Working at Orrington has been a richly rewarding experience and he has quickly come to love the students, staff, and community. Mr. Seldess enjoys exercise, reading, listening to music, traveling, and quality time with his family and friends.

Sarah Yoo, Assistant Principal

Sarah Yoo has been an educator in District 65 at Orrington Elementary since 2015. Prior to this, she spent two years teaching in Chicago Public Schools and a year in District 301. She graduated with her M.A. in Educational Administration from Chicago State University in December of 2023. She also holds a B.A. in Elementary Education from University of Illinois at Chicago and a M.A. in Curriculum and Instruction with an ESL endorsement from Concordia University. Orrington is close to her heart, and she is looking forward to continuing the work to ensure the success of the students and the community. In her free time, Sarah enjoys spending time with her family and friends, reading, and exercising.

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