Staff Directory

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Tom Knapton

Knapton, Tom

Science Teacher
Karen Kosoglad

Kosoglad, Karen

Visual Art Teacher

EDUCATION 1975,1976, 1977 University of Wisconsin, Madison, Wisconsin 1980 University of California, Santa Cruz - Bachelor of Arts 1982 Seattle Pacific University - Certification -Elementary Education & Art 1995 City University, Seattle, WA master’s in education - Curriculum & Instruction  Currently teaching at Roosevelt for my 3rd year and have taught in Seattle public Schools since 1993.

Tracy Landboe

Landboe, Tracy

Science Teacher

This will be my 14th year teaching science at Roosevelt High School. I am born and raised in the Pacific Northwest attended Shorewood high School followed by Maui College, Washington State University and then the University of Washington. I love the Pacific Northwest and being out in nature. My partner/husband and two sons are Norwegian citizens as well as US citizens. I bring my life long experience of exploring hunting, gathering and fishing to my courses which include NW Geology, Cellular Biology and NW Ecology.


Rachel Langness

Langness, Rachel

Assistant Principal

Rachel Langness has been in education for over 15 years. Hailing from Arizona, Ms. Langness is new to the Roosevelt team and is excited to be a part of this vibrant and diverse community. Holding a Bachelors in Theater Education and Outreach from University of Arizona, and a master's degree in Educational Leadership from Northern Arizona University, Ms. Langness has served as a classroom teacher, as well as a professional development specialist for the Phoenix Union High School District. She is arriving in Seattle with her husband, two daughters, and dog Rosco. Her interests include Theater and performance, baking bread, and watching Marvel movies. Ms. Langness will be serving students with the last names starting with the letters Gla - Nob.  

LeBeau, Timothy

Care Coordinator
Alan Linney
Jean Lutgen

Lutgen, Jean

Teacher-High School
Kara MacDonald

Macdonald, Kara

Social Studies and Health Teacher

I've been teaching US History in various forms (AP, General and Ethnic Studies) at Roosevelt since 2006. I have been teaching Health since 2015. I love to mix travel and learning. In I have been a part of the Hands for a Bridge program since 2008, leading several student trips to Northern Ireland and South Africa where I have had the opportunity to develop friendships with teachers and learn from each community. In 2016, I spent the summer in India on a Fulbright-Hays Program studying sustainability and social change. I traveled to the Mississippi Delta through the National Endowment for the Humanities to study culture and Civil Rights in 2017. I earned my BA in History and Teaching Certificate at Western and my Masters in Literacy and Health/Fitness endorsement at SPU.

Michael Magidman

Magidman, Michael

Teacher-High School
Ian Malcolm

Malcolm, Ian

Teacher-High School

If you have any questions, feel free to email me. I post announcements and assignments on Schoology.

Mansmith, Trevor

Teacher - High School
Bryan Marenstein

Marenstein, Bryan

Teacher-High School
Monica Marin

Marin, Monica

Special Education Asst/ISE

I have been at RHS for 3 years now working in the Special Education Program. I enjoy being a resource for students and helping them better understand and navigate their classes and love seeing students become more confident in their school performance!

Maggie Mattmiller

Mattmiller, Maggie

Assistant Principal

Maggie Mattmiller dual majored in Deaf Education and Special Education at Ball State University and received a master’s degree in Educational Leadership and Policy from the University of Washington. Originally from Ohio, her first teaching job was teaching American Sign Language in a high school as a world language teacher. After moving to Seattle, she joined Seattle Public Schools where she has been for 10 years, serving as an instructional assistant, a special education teacher and in multiple central office capacities. Most recently, she has been a Professional Growth and Educator Support consulting teacher coaching new-to-profession special education teachers. She has worked in classrooms prek-12th grade and is excited to be returning to high school. She is an avid reader, looking forward to getting book recommendations from students, staff, and families, so please share your favorites!  Ms. Mattmiller will be serving students with last names starting with the letters Nor – Z. 

McDermott, Kendra


McElfresh, Morgan

Teacher-High School
Jeanne McGuire

McGuire, Jeanne

Spanish levels 3 & 4, World Languages Department Chair

I am a Washington native, having grown up in Bothell. I attended the University of Washington, where I earned a degree in Spanish and Education. I received a Masters In Education through City University. I have been teaching Spanish at Roosevelt since 2000. I enjoy hiking, skiing and camping with my son and husband, attending concerts, hanging out with friends and family, and speaking Spanish of course!

Annika Melgard

Melgard, Annika

Special Education