At St. Thomas School, we believe our students will change the world. We believe our mission to develop responsible citizens of a global society is more important than ever before. We believe that learners and leaders must exemplify strength of character, academic excellence, and community engagement.

Help us create the next generation of leaders that will transform the world.

Current Openings​​​​​​


Teaching/Classroom Positions

Staff Positions

Ongoing Opportunities

Applications for these positions are reviewed throughout the school year. Qualified applicants will be contacted in order to move forward in the process.

Working at STS

About St. Thomas School

Founded in 1951 and located on the Eastside of Seattle in Medina, Washington, St. Thomas School (STS) is a private, non-sectarian school for preschool through 8th grade students. Our highly regarded preschoolelementary, and middle school curriculum prepares students to excel at future endeavors while honoring our school's long-standing core values.


St. Thomas School offers a comprehensive and generous benefits package intended to support and promote the health and well-being, work/life balance, and financial security of our faculty, staff, and their families.

  • Health insurance
  • Dental insurance
  • Vision insurance
  • Voluntary Short-Term Disability Insurance
  • Long-Term Disability insurance
  • Life insurance
  • Employee Assistance Program
  • Dependent Care Spending Account
  • Annuity-based retirement savings plan with generous match
  • Paid Time Off
  • Donated Paid Time Off Program
  • Professional development
  • Beautiful state-of-the-art facility
  • SAGE Dining Services®
  • LEED® Gold Campus

Interview Process

Faculty applicants should be prepared to bring the following items to an onsite interview:

  • Examples of a lesson plan in the appropriate discipline(s).
  • The lesson plan you’ve prepared for the class you will teach during your interview.
  • Samples of assessments from two subjects areas that reflect varied approaches to assessing student learning.
  • A concise discussion of a lesson that you have given that did not go well and one that did go well, with accompanying explanations on what went well and what could be improved.
  • A brief description of your ideal classroom. You should focus on the overall layout of the classroom, your role within the classroom, and the various resources that would be available. Please provide insights into your choices.
  • A concise description of your leadership and/or teaching style and guiding philosophies, highlighting particular strengths and providing concrete examples of experiences that provide insight into your leadership and/or teaching capacities.
  • Additional items that you feel highlight your knowledge and experience.

Non-Discrimination Policy

St. Thomas School not discriminate on the basis of age (over 40), sex, marital status, sexual orientation, gender identity, race, creed, color, national origin, honorably discharged veteran or military status, or the presence of any sensory, mental, or physical disability or the use of a trained dog guide or service animal by a person with a disability, or other characteristic or status protected by applicable federal, state or local law. This policy applies to all aspects of employment and except for age, to student admissions, athletics, educational policies, financial, and other school-administered programs. St. Thomas School is an Equal Opportunity Employer (EOE).

"I've never had colleagues as passionate as my fellow STS teachers. I believe that passion comes from knowing we share a dedication to helping every single student become his or her absolute best."

- Lisa Zwang, Second Grade Teacher

"The school is invested in making you the best educator you can be. Here, I have found my voice not only as a teacher, but as a storyteller. This place is woven into my story; a story full of challenge, support, growth, and professional awakenings." 

- Brian Marienfeld, Fifth Grade Teacher

"One of the main reasons I stay here is because of the professional growth opportunities and the support we get from the community and the administration."

- Anne Kearney, First Grade Teacher