Longterm Substitute Math Teacher Jobs in Delaware

The deadline for submitting applications for this position is July 19, 2026.
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 Statistics, AP Calculus, Math 1 (Algebra 1 content), Math 2 (Algebra 2 content). The assignment will begin on August 24, 2026 and is anticipated to continue until early spring 2027. Dates are tentative and may be adjusted based on staffing and leave schedules. There is also the potential for this position to transition into a full-time teaching opportunity for the 2027-2028 school year, contingent upon staffing needs and successful completion of the school's hiring process.

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
• Timely grading and communication with students and parents/guardians regarding student performance

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 a Secondary Math Teacher certification. Details can be found here. 

Salary

Salary will be computed in accordance with the credentials of the individual selected. 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

Offers of employment are contingent upon satisfactory results from a criminal background check, Delaware Child Protection Registry check, and tuberculin (TB) test, as well as verification that the individual holds all required licensure and certifications for the position. All requirements must be completed and cleared prior to the employee's start date.

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.