Long-Term Substitute Teacher - Math (11/3/25 - 1/23/26)

Christina School District; Wilmington (DE); On-site; USD 45,000 - 55,000; Full time

Job summary

The Charter School of Wilmington seeks a Long-Term Substitute Math Teacher for 12 weeks starting November 3, 2025. The role involves delivering high-quality instruction in AP Precalculus, Integrated Math 3, and Calculus while fostering student growth in a high-performing school environment.

Qualifications

• 3+ years of teaching experience preferred.
• Understanding of high school math standards preferred.
• Experience teaching AP courses preferred.

Responsibilities

• Execute a rigorous, standards-aligned curriculum.
• Collaborate with teachers and instructional leaders.
• Assess students’ progress using a data-driven approach.

Skills

Collaboration

Data-driven instruction

Self-awareness

Growth mindset

Cultural awareness

Education

Bachelor’s Degree in secondary education with a concentration in math

Bachelor’s Degree in Math with education certification

Master’s Degree

Job description

About The Charter School Of Wilmington

The Charter School of Wilmington is a nationally and internationally recognized college-preparatory math and science high school that promotes academic excellence by fostering overall student performance to produce leaders for the future. The mission of The Charter School of Wilmington is to prepare students to thrive through world-class mathematics, science, and technology education.

Overview

The Charter School of Wilmington is seeking a Long-Term Substitute Math Teacher to teach AP Precalculus, Integrated Math 3, and Calculus for twelve (12) weeks starting November 3, 2025 through January 23, 2026.

As the long-term substitute math teacher, you will deliver high-quality instruction by implementing a rigorous college-preparatory curriculum. You will collaborate with teachers and instructional leaders to examine student learning, identify successes and opportunities for growth, and ensure students fulfill their academic and personal potential.

Key Responsibilities

• Execute a rigorous, standards-aligned curriculum and adopt a data-driven approach in assessing students’ progress
• Possess a relentless drive to develop your own instructional practice to sharpen your skills as an educator
• Exhibit strong self-awareness and reflection skills with a strong desire to continuously grow professionally and personally
• Possess a growth mindset and be quick to incorporate feedback into your daily practice
• Set and reach ambitious goals and demonstrate ability to thrive in a high-performing school environment
  
  

Critical Experience And Qualifications

• 3+ years of teaching experience preferred
• Understanding of high school math standards preferred
• Demonstrated experience closing student opportunity gaps
• Experience teaching AP courses preferred.
• Commitment and enthusiasm for working with a high-performing student population focused on implementing best practices related to community and cultural awareness
• Optimism, resilience, curiosity, and a strong passion for personal growth and student and teacher success
  
  

Education

Bachelor’s Degree in secondary education with a concentration in math or Bachelor’s Degree in Math with education certification. Master’s Degree preferred.

Certification Requirements

Hold or be eligible for Secondary Math Teacher certification. Details can be found here.

Salary

Salary will be computed in accordance with the experience and training of the individual selected and in accordance with the salary schedules for employees of The Charter School of Wilmington. Direct deposit of payroll checks is mandatory for state employment, and employees are paid on a lag pay schedule with the first payment made after approximately one month of employment.

Notes

A criminal background check, Delaware Child Protection Registry check, and tuberculin test are required. The candidate must demonstrate in the interview process an understanding of how varied student backgrounds and experiences can impact learning, along with the ability to support an inclusive and equitable classroom environment. This job description is not intended to be an all-inclusive list of duties and standards of the position. The employee should be prepared to perform other related responsibilities as needed to fulfill the position’s core duties and follow any additional directives provided by their department chair or administration.