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

To see a job description and apply for an open position, go to our online application page.

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

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