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PRINCIPIA

Upper School Math Teacher

PRINCIPIA

. Teach mathematics courses ranging from Pre-Algebra to typical upper-level classes, including Statistics .

Posted 11/1/2026full-timeSt. Louis • Missouri • United StatesMid-LevelSenior💰 $51,000 per yearWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in teaching mathematics from Pre-Algebra to advanced levels, including Statistics, while effectively integrating technology in a 1:1 laptop environment. Committed to differentiating instruction and fostering student engagement through real-life connections and future-ready skills.

Highest-signal resume keywords
Bachelor's Degree In MathematicsTeaching CertificationExperience Teaching Diverse StudentsAbility To Integrate TechnologyCommitment To STEM Best Practices

ATS Keywords

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Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills
Mathematics InstructionStatistics TeachingCurriculum DevelopmentLesson PlanningDifferentiated InstructionAssessmentGradingDual Credit Math CoursesStudent EngagementCharacter Education
Soft Skills
CollaborationMentoringCommunicationDiscipline ManagementSupportive Attitude
Tools & Technologies
1:1 Laptop EnvironmentEducational Technology
Certifications & Qualifications
Teaching Certification (Preferred Within Two Years)
Industry Keywords
Future-Ready SkillsSTEM Best PracticesProfessional DevelopmentDiverse LearnersUpper School Education

About the role

Key responsibilities & impact
  • Teach mathematics courses ranging from Pre-Algebra to typical upper-level classes, including Statistics
  • Collaborate with the Math Department on curricular and instructional goals through weekly meetings
  • Plan engaging lessons that connect learning to real-life situations and encourage student ownership
  • Integrate technology in a 1:1 laptop environment
  • Incorporate future-ready skills and STEM best practices
  • Differentiate instruction to support diverse learners
  • Pursue professional development and contribute to a professional learning community
  • Handle discipline situations in ways that support student character growth
  • Collaborate with colleagues, coaches, parents, houseparents, and administrators
  • Participate in curriculum development, lesson planning, grading, assessment, administrative tasks, meetings, supervision, family communication, and school events
  • Lead and mentor small groups as a Crew Leader, including fall Character Trips and House activities
  • Attend and support curricular trips, festivals, service-learning opportunities, and school activities, including chaperoning social events and travel
  • Support student recruitment and retention efforts
  • Perform other duties assigned in support of the school’s mission and programmatic needs

Requirements

What you’ll need
  • Student of Christian Science preferred
  • Supportive of Principia’s guiding statements
  • Bachelor’s degree in mathematics or a closely related field required, with sufficient coursework to teach high school math through advanced levels, including Statistics
  • Master’s degree in mathematics or master’s in education with a minimum of 18 graduate credit hours in mathematics preferred
  • Ability or experience teaching dual credit math courses preferred
  • Teaching certification preferred, and required within two years of hire
  • Experience teaching a diverse population of students and in varied school environments preferred
  • Strong interest in and commitment to working with Upper School students in grades 9–12
  • Ability to integrate technology effectively in a 1:1 laptop environment
  • Commitment to future-ready skills and STEM best practices
  • Ability to differentiate process, product, and content for a wide range of learners

Benefits

Comp & perks
  • 90% employee tuition discount for eligible children enrolled from Pre-K3 through College (infant and acorn programs excluded)
  • Relocation reimbursement of up to 12% of annual salary when moving from outside a radius of more than 50 miles
  • Professional development opportunities, training programs, and career growth support
  • Comprehensive health, dental, and vision plans
  • Paid time off
  • 403(b) retirement plan with Principia matching