School Leadership


Casey Jeannot

Casey Jeannot became principal of Hazel Valley Elementary School in 2014. She has worked in Highline Public Schools since 2002, serving in a number of leadership roles at Southern Heights Elementary, Hilltop Elementary, Cedarhurst Elementary and Marvista Elementary. Casey holds a bachelor’s degree in early childhood education from Arizona State University, a Master of Education in Reading and Literacy from Walden University, and a Washington State Principal’s Residency Certificate from Western Washington University.

Assistant Principal

Mrs. Maria Osses-Watson is originally from Chile, South America and arrived to the Seattle area as a refugee in 1976. Prior to coming to Highline, Mrs. Osses-Watson was the Assistant Principal at Sunnycrest Elementary in the Federal Way school district. She studied at the University of Washington where she earned a Bachelor of Arts in Spanish Literature, a Master of Arts in Education, and a Principal certification. Mrs. Osses-Watson also earned her National Boards certification in 2011. In her 22 years as an educator, Mrs. Osses-Watson is proud of her work creating systems and learning environments of support and belonging for all people. She is very excited to have recently become a grandmother and is eager to support her daughter as they both enter a new phase in their lives.