
Title: Early Learning Center Part-Time Assistant Teacher
Department/Location Early Childhood, St. Louis
Position Type Part-Time, 12:30 – 5:30 p.m., 39-week (Non-benefits eligible)
Hourly Salary Range $20 - $25 per hour
The Early Learning Center Assistant Teacher supports a nurturing, inclusive environment for infants and young toddlers. This role works closely with the lead teacher to implement engaging, Reggio Emilia-inspired learning experiences that encourage curiosity, exploration, and early development. Warmth, teamwork, attentiveness, and understanding of early childhood development are key to success in this position. Reporting to the Principal - Early Childhood, the assistant teacher plays a critical role in supporting the daily rhythms of the classroom and fostering each child’s growth. Assistant teachers collaborate with the lead teacher and fellow Early Childhood educators to create a joyful and responsive learning space.
Who We Are
At our award-winning Early Childhood through grade 12 Principia School in St. Louis, Missouri, and top-ranked Principia College in Elsah, Illinois, Principia faculty and staff make up a close-knit community of educators, coaches, and professionals taking a distinct approach to education—blending academic excellence with Christian Science-based character education. Principia’s team of over 500 employees supports not only Principia School and Principia College, but also a worldwide network of alumni and friends.
At Principia School, our core value is LOVE Love and its attributes underpin our foundational beliefs as well as our educational approach. We focus on developing the whole child—intellectually, physically, mentally, socially, and spiritually, preparing students for the next steps in life. We foster a challenging yet supportive environment where character unfolds naturally, and talent is cultivated through boundless opportunities. Character education plays an essential role in every aspect of the student experience, and classroom work is augmented by character trips, leadership development, and real-world, hands-on, project-based learning.
Principia employees are part of an engaging academic community preparing students to be tomorrow’s leaders, thinkers, and changemakers. We strive to create a collaborative and inclusive environment where everyone feels they belong and are valued.
Primary Responsibilities
Core Competencies
Principia values the unique strengths each employee brings to their role. The following competencies are especially important for success at Principia:
0 Minimum Qualifications
The statements above describe the general nature and level of work but are not a complete list of responsibilities and are subject to change at the discretion of Principia.
Equal Opportunity
Principia, a mission-driven institution, believes every person has the right to an equitable and respectful educational environment and workplace. Principia does not discriminate on the basis of race, color, national origin, ethnicity, gender (identity or expression), sexual orientation, family status, disability, age, or military or veteran status.
In hiring, admissions, and related decisions, Principia—as an institution with a religious mission—gives preference, where appropriate, to Christian Scientists.

At Principia, we take a different approach to education—blending academic excellence with Christian Science-based character education. Along with our School and College, we provide programs for families with infants and a variety of opportunities for lifelong learning, all grounded in our mission. Learn more about our history: https://youtu.be/e6mWj25_wRc