Supply Teacher

Supply Teacher - Casual Temporary Position

Who We Are

Located on 10 beautiful acres in the heart of Olde Oakville, St. Mildred's-Lightbourn School (SMLS) is a premier independent school for girls from JK through to Grade 12. Our mission is to engage each girl in a personalized, real-world learning experience where she explores her unique pathways within a nurturing community.

An Opportunity to Join SMLS

Role Overview

To support our vision of empowered young women challenging and transforming the world, we are currently seeking a Supply Teacher to support one or multiple areas of our school; Junior, Middle, and Senior. The successful candidate will work collaboratively with Principals, Teachers, and Administrators, and will be responsible for working in collaboration with SMLS faculty to deliver innovative and comprehensive programming that meets the learning needs of students. This position is posted for a prospective opportunity for the 2026-2027 school year.

Position Details

Department: Junior School, Middle School, Senior School Reports to: Junior/Middle/Senior School Principal

Liaises with: Principals, Teachers, Administrators

Education: Bachelor of Education, Ontario Teacher Certification Experience: 1+ years experience teaching

Additional Qualifications (asset)

Experience in a non-profit setting (asset)

Experience in an Independent School (asset)

Working Conditions: Office / School Environment, Mac, Google

Who You Are

Your Strengths

Above all else, the successful candidate is a champion for girls' education. You are also:

• An enthusiastic, articulate, and creative individual who communicates with ease and confidence.
• Confident with engaging in innovative and differentiated learning that is student centered.
• A critical thinker who demonstrates initiative, integrity and attention to detail.
• A team player who enjoys being part of a vibrant, collaborative community and contributes positively to all areas of the school.
• Able to recognize and support different learners to thrive and prosper.
• An educator who never stops learning and continually seeks best practices in girls' education to enrich your teaching.

• 1+ years of teaching experience is preferred
• Comfortable with Mac OS, Microsoft Office, and Google Suite products
• Experience teaching in an all-girls environment is an asset
• Experience in an independent school environment is an asset

The compensation is $250/day.

SMLS is a member of the Ontario Teachers' Pension Plan (OTPP).

SMLS does not use artificial intelligence or automated decision-making tools in the screening or selection of candidates.

Why Join SMLS?

Our work is meaningful and important. As a school, we support each student's interests, talents, learning needs and strengths. Through our world-class facility, Signature Programs, expertise in girls' education, and dedication to personalization, our students become lifelong learners equipped to achieve excellence in whatever path they choose.

When you join SMLS, you join a fun and supportive community!

Our employees enjoy competitive compensation packages and may be eligible for some of the following benefits:

• Health and dental care
• Life insurance and AD&D insurance
• Employee & Family Assistance Program (EFAP)
• Mental health & wellbeing resources
• Ontario Teachers' Pension Plan / RRSP program with up to 5% employer match
• On-site fitness facilities
• On-site parking
• Time off during Winter Break and March Break
• Summer hours and extra long weekends in line with the school calendar

Young women empowered to challenge and transform the world.



OUR MISSION

To engage each girl in a personalized, real-world learning experience where she explores her unique pathways within a nurturing community.

OUR VALUES

Excellence · Courage · Integrity · Belonging

If you are interested in an opportunity to join our school, please apply online at

We appreciate and thank all applicants for your interest in SMLS, however, only those candidates invited for an interview will be contacted.

SMLS is an equal opportunity employer and we accommodate any needs under the Accessibility for Ontarians with Disabilities Act and the Ontario Human Rights Code. We value diversity and are committed to creating an inclusive environment within our community. Please contact Human Resources with any requirements or questions.