Middle School Math Teacher Principia School

Title: Middle School Math Teacher

Department/Location: Middle School Faculty, St. Louis

Position Type: Full-Time, 39 week

Summary

The Middle School Math Teacher facilitates engaging mathematics lessons for sixth, seventh and eighth graders using a variety of teaching methods to meet student needs, mentors students as their teacher and character educator, and collaborates with faculty and parents meaningfully. Full-time, school-year position.

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

Teaches 6^th, 7^th, and 8^th grade classes, including daily lesson planning, regular pretesting, and backwards design of units (utilizes the Understanding by Design curriculum framework)
Differentiates for multiple levels within each class
Communicates with the Learning Engagement Center about student needs and push-in/pull-out services
Serves as a resource for Lower School teachers in their curriculum design and instruction
Helps organize the administration of standardized testing and analyzes the data for trends; makes decisions about instruction and specific student intervention in response to the data
Assesses student understanding and skill level using rubrics and a proficiency scales
Follows the curriculum with pacing and student engagement in mind, as well as supplements the eighth grade curriculum with Algebra 1 Common Core standards
Meets and communicates with students and parents regarding student growth
Participates in weekly faculty meetings
Assesses students in their approaches to learning
Creates and edits unit plans for each unit of study
Participates in yearly goal-setting and frequent one-on-one meetings with supervisor
Reflects on teaching and learning regularly and improves practice
Completes the required portfolio, including walkthroughs, school visits, reflections, and goal-setting
Attends conferences (could include Math in Focus, National Council of Teachers of Mathematics)
Participates in and contributes to weekly and yearly professional development sessions
Communicates timely and effectively with students, parents, and administration
Engages in professional learning experiences that support school initiatives
Actively collaborates with colleagues across levels and departments to support the implementation of school-wide initiatives
Participates in various committee meetings, faculty and parent meetings, and professional development
Supports Middle School activities by chaperoning social events and trips

Core Competencies

Principia values the unique strengths each employee brings to their role. The following competencies are especially important for success at Principia:

Continuous Learning & Expertise: Demonstrates mastery in your area of responsibility and seeks opportunities for professional growth and development.
Accountability & Results Orientation: Manages time and priorities effectively, meets commitments, and consistently delivers high-quality outcomes.
Problem Solving & Judgment: Approaches challenges thoughtfully, considers multiple perspectives, and makes sound, timely decisions that support institutional goals.
Proactivity & Ownership: Takes initiative, anticipates needs, and drives projects forward with minimal supervision while taking responsibility for outcomes.
Excellence & Attention to Detail: Produces accurate, polished, and high-quality work; continuously looks for ways to improve systems, processes, and results.
Service Orientation: Builds positive, supportive relationships and responds promptly and professionally to the needs of students, colleagues, and other stakeholders.
Collaboration & Collegiality: Works cooperatively across departments and teams; values input from others and contributes to a positive, respectful environment.
Communication: Shares information clearly and concisely; listens carefully to others and adjusts communication style for different audiences and situations.
Inclusion & Belonging: Demonstrates respect for all people; values diverse perspectives and fosters a culture of inclusion, belonging, and mutual respect.

Minimum Qualifications

Student of Christian Science preferred.
Bachelor’s degree required in Math or related field, Master’s degree preferred.
Teaching certification preferred (required within two years of hire date).
Relevant teaching experience with middle school students.
Supportive of Principia’s guiding statements as articulated here https://www.principia.edu/about/guiding-statements

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.

Compensation and Benefits

We offer a competitive salary range for this position, starting at $51,000 annually for candidates with a Bachelor’s degree and no prior teaching experience. Salary is commensurate with degree and years of teaching experience.

In addition to salary, our comprehensive total rewards package includes:

Generous Employee Tuition Discount: Enjoy a 90% discount on tuition (pro-rated for part-time staff) for your eligible children enrolled from Pre-K3 through College (infant and acorn programs excluded).
Relocation: Principia provides a relocation reimbursement of up to 12% of your annual salary, when moving from outside a radius of more than 50 miles.
Professional Development: Access to learning opportunities, training programs, and career growth support.
Comprehensive Benefits: Learn more about all our benefits here, including comprehensive health, dental, and vision plans, paid time off, a 403(b) retirement plan with Principia matching, and more.

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.