Hazel Valley Elementary School
402 SW 132nd Street Burien, WA 98146

Office Hours:

Monday-Thursday: 8:30 a.m. - 3:00 p.m.
Friday: 8:30 a.m. - 1:30 p.m.

Hazel Valley Elementary School
402 SW 132nd Street Burien, WA 98146


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.