Long Term Substitute Teacher - Middle School - Mathematics

RSU 21

Kennebunk (ME)

On-site

USD 49,000 - 87,000

Part time

27 hours ago

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Job summary

RSU 21 is seeking a Long Term Substitute Middle School Mathematics teacher in Kennebunk, ME. This part-time position reports to the Building Principal and offers a structured environment with a clear progression of pay over days 1–10, 11–59, and 60+ days.

Qualified candidates hold a Bachelor’s degree or higher and Maine teaching certification or eligibility. The role emphasizes data-driven instruction, collaboration, and DEI leadership to improve student outcomes.

Qualifications

Bachelor’s degree or higher required.
Valid Maine teaching certification or eligibility required.
Strong subject matter expertise and knowledge of effective teaching practices.
Ability to design differentiated standards-based instruction.
Experience with student-centered instruction and classroom management.

Responsibilities

Plan instruction using approved curriculum and data to meet student needs.
Establish routines to create a respectful, safe learning environment.
Engage students with varied instructional strategies.
Set goals and analyze data to guide instruction and provide feedback.
Collaborate with colleagues to improve district effectiveness and growth.
Lead DEI initiatives and maintain professionalism in communication.

Skills

Strong subject matter expertise

Differentiated instruction

Classroom management

DEI commitment

Effective teaching practices

Education

Bachelor’s degree or higher

Maine teaching certification or eligibility

National Board Certification is a plus

Job description

Long Term Substitute Teacher - Middle School - Mathematics

RSU 21 Regional School Unit 21 - Kennebunk, Maine Open in Google Maps

Job Details

Job ID: 5942247

Application Deadline: Posted until filled

Posted: Sep 28, 2026 12:00 AM (UTC)

Starting Date: To Be Determined

Job Description

Long Term Substitute Teacher-Middle School-Mathematics

Full Time

Kennebunk, ME, US

Salary Range: $23.33 To $41.59 Hourly

Long Term Substitute Teacher - Mathematics- Middle School of the Kennebunks

Reports to: Building Principal

Compensation (2026–2027 School Year):

Days 1–10: $23.33 per hour
Days 11–59: $30.00 per hour
60+ days: $41.59 per hour

As a Long-Term Substitute, you will have an opportunity to serve as a dynamic leader, effective educator, and inspirational and impactful influence within your classroom. You will be expected to deliver measurable results through high-quality and intentional instructional planning, curriculum design, and curriculum delivery to improve student outcomes and transform students’ lives.

General Responsibilities

Plan instruction using approved curriculum, high-impact instructional strategies, subject matter expertise, and up-to-date data to meet the needs of all students
Establish expectations, routines, and procedures to provide a respectful, safe, positive, student-centered environment that maximizes learning
Engage students using a variety of instructional strategies to meet individual learning needs
Set ambitious goals; analyze student data to guide instruction and provide timely feedback
Collaborate with colleagues to improve district effectiveness and engage in professional growth
Serve as a leader in Diversity, Equity, and Inclusion (DEI) initiatives
Maintain professionalism and effective communication as essential elements of teaching

Qualifications

Bachelor’s degree or higher required
Valid Maine teaching certification or eligibility for endorsement required
Strong subject matter expertise and knowledge of effective teaching practices
Ability to design differentiated, standards-based instruction
Experience with student-centered instruction and classroom management
Commitment to equity, inclusion, and belief that all students can learn
National Board Certification is a plus

Responsibilities

Curriculum and Planning

Design instruction based on standards, pedagogy, and student needs
Align lesson objectives to curriculum standards using student data
Plan pacing, sequencing, and transitions effectively
Adjust instruction based on formative assessments
Integrate educational technology to enhance learning

Classroom Culture and Environment

Maintain structured routines that maximize learning time
Create a respectful, inclusive, and collaborative classroom climate
Encourage participation, inquiry, and intellectual risk-taking
Use communication strategies that support diverse learners

Instructional Delivery

Deliver rigorous, differentiated instruction based on student needs
Use high-impact instructional strategies to build critical thinking
Incorporate real-world applications and varied resources
Check for understanding through ongoing assessments
Connect learning to prior knowledge and interdisciplinary concepts

Data-Driven Instruction

Use student data to guide instructional decisions
Set and track student academic goals
Engage students in monitoring their own progress
Focus on closing achievement gaps among student groups

Collaboration and Continuous Learning

Collaborate with colleagues to improve instruction
Seek and apply feedback for professional growth
Reflect on teaching practices and refine strategies
Engage in ongoing professional development

Diversity, Equity, and Inclusion (DEI)

Apply culturally responsive teaching practices
Support a safe environment where students feel respected and heard
Align instruction with district equity priorities
Reflect on personal bias and its impact on teaching

Leadership, Professionalism, and Communication

Act as an instructional leader focused on student outcomes
Model professionalism and responsible citizenship
Communicate regularly with families and stakeholders
Build positive relationships with students, families, and colleagues

Core Competencies

Change agent mindset focused on student success
Student-centered decision making
Collaborative and feedback-oriented approach
Flexibility and openness to change
Strong communication skills
Ability to respond effectively to unexpected challenges
Relationship-building with students and staff
Commitment to lifelong learning and self-improvement

Reasonable Accommodations

RSU 21 will provide reasonable accommodations under the Americans with Disabilities Act (ADA) as required.

Evaluation and Terms of Employment

Refer to the Substitute Handbook. We may use employer surveillance technology to monitor activity and communications.

Position Type

Part-time

Job Categories

Substitute > Substitute

Welcome to Regional School Unit 21

RSU 21 encompasses the schools of Kennebunk, Kennebunkport, and Arundel. Situated on the Atlantic coastline 30 minutes south of Portland and 1.5 hours north of Boston, MA, our students enjoy living in one of New England's most beautiful and accessible locales.

Equal Opportunity Employer

RSU21 is an equal opportunity employer. We strive to be a welcoming and inclusive community that supports the safety and well-being of all of our students, faculty, and staff. We are committed to implementing programs and practices that support diversity, equity, and inclusion. As a part of this commitment, we welcome all applicants. RSU21 does not discriminate based on race, color, gender, gender identity, orientation, disability, religion, age, national origin, or any other status protected under federal, state, or local law. If you are a person of color, LGBTQ+, disabled, or belong to any protected class, we encourage you to apply. Our diversity strengthens our mission to produce global citizens.

Job Requirements