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Open Position: Kindergarten Classroom Instructional Assistant
Reporting To: Director of the Early Learning Center
FLSA Status: Non-exempt
When Needed: 2025-2026 School Year (August-June)
FT/PT: Full-time
On-site
Pay rate: $30.57 per hour
Why St. Thomas School?
You thrive in a face-paced environment, working alongside others who share your ideals. You are inspired by children and appreciate their joy and energy. You enjoy making an impact and being part of something bigger than yourself. You believe that schools should be among the most innovative places on earth. And you are committed to excellence and professional growth.
Who We Are:
Founded in 1951 and located on the east side of Seattle in Medina, Washington, STS is a private, non-sectarian school for Preschool through Eighth Grade students. Our educational journey is defined by a cognitively engaging program with an emphasis on developing character, leadership, and a passion for learning and achievement. Our highly regarded curriculum prepared students to excel at future endeavors while honoring the school’s long standing core values.
We commit to an inclusive and diverse community in which everyone can say, "I belong." We seek employees who are passionate, qualified, and offer diverse perspectives. We are particularly interested in the role education and a diverse learning environment play in promoting equity and inclusivity.
We Foster:
A diverse, safe, and equitable school environment
Actions and advocacy that support our Core Virtues
Cultural competence, anti-bias, and social justice
Intellectually curious and engaged global citizenship
Job Summary:
In partnership with the classroom teachers, and with supervision provided by the Director the Early Learning Center, assists the teachers in daily classroom activities, staffs the Extended Day program before and/or after school, assembles displays of student work throughout the School, supports ELC Enrichment Classes, and is often involved in recess and lunch supervision. Supports students, parents, and other community members in realizing our Guiding Principles. Abides by our Framework for Professional Standards.
Specific Responsibilities:
Collaborates with the Kindergarten Teacher to plan and implement a cognitively challenging and developmentally appropriate program using best practices and theories of constructivist education.
Familiarity with Lucy Calkins’ Writing Workshop, Haggerty, Wired for Reading, Eureka2 Math, Handwriting Without Tears, and Responsive Classroom is preferred.
Becomes familiar with the continuum of the Early Learning Center’s program and related resources and materials so that s/he can actively assist and/or teach in all learning activities.
Works with students in small groups, individually, or as a whole class, interested in taking the responsibility for leading the class at times
Works with the Kindergarten Teacher in developing a management style that encourages a positive and respectful environment
Assists in general supervision in the classroom
Supervises the playground, following established recess rules and discipline, and reporting notable student behaviors
Supervises the lunchroom, following established rules and discipline, reporting notable student behaviors, and monitoring the cleanliness of the area.
Provides staffing to School’s Extended Day Program, including in-service days
Performs general duties as assigned by the Kindergarten Teacher and Division Director(s)
Communicates regularly with the teachers and plans together in order to understand how to best use his/her skills and meet the needs of students
Assists with administrative tasks such as copying, mounting displays, preparing centers, arranging classroom materials, collating documents, etc.
Remains informed about events and developments at the school through the weekly newsletters of teachers and through the STS News and other bulletins.
Shows initiative by asking for assignments that would expand performance and capability, under the direction of the teachers and/or administration
Provides substitution in the classrooms for absent teachers in emergencies.
Registers with the Department of Children, Youth, Families’ Merit system and maintains Merit records in compliance the licensing of the Extended Day and Early Learning Center programs.
Performs other duties as assigned
Robust STS Benefits Plan Includes:
STS pays 100% of Employee Medical Insurance premiums
STS makes annual contributions to Employee Health Savings Account
STS pays 100% of Employee Dental & Vision Insurance
STS paid Long-Term Disability & Life Insurance
STS contributes up to 10% of salary to Employee 403(b) to Retirement Savings Account
STS Offices are closed during Winter Wellness Days (Dec 25 to Jan 1)
Competitive PTO and paid vacation
SAGE Dining provided lunches while school is in session
Robust Professional Development Opportunities
Dependent Care Spending Account Available
If this sounds like you, we'd like to hear from you. Please go to Apply Now on our careers website and complete our online employment application. Then upload your résumé and a cover letter explaining why you are interested in and qualified for this position.
Bachelor’s degree in Education, Early Childhood Education, or a related field from a 4-year college or university required
Washington State Teacher Certification preferred
Washington State Department of Children, Youth & Families Managed Education & Registry Information Tool (MERIT) Registration
1-2+ years of combined teaching experience in and early childhood/K-3 setting preferred
Previous experience working with children (classroom, summer camp, tutoring)
Required Knowledge, Skills & Abilities:
Flexibility and adaptability to meet the needs of the children and program
Excellent verbal and written communication skills
Ability to maintain confidential information
Ability to work efficiently in a Microsoft Windows environment using Microsoft Office, master common automated systems for record keeping, and learn new technology
Ability to work, collaborate, and communicate well with all levels of faculty and staff
Ability to work, collaborate, and communicate well with students and their parents
St. Thomas School, a non-sectarian, Preschool through Eighth Grade school, is one of the oldest independent schools on the east side of Lake Washington. St. Thomas School’s educational journey is defined by a cognitively rigorous program with an emphasis on developing character, leadership, and a passion for learning and achievement. Our mission is to develop responsible citizens of a global society. STS is a recognized leader in developing the whole student. Our core values include gratitude, responsibility, respect, courage, integrity, tolerance, compassion, perseverance, and generosity. STS serves over 300 students and boasts a 55,000 sq. ft. LEED Gold certified campus.