Extended Term Substitute, Math Interventionist (Sept-Nov 2025)

Cambridge Street Upper School

Cambridge (MA)

On-site

USD 34,440 - 61,992

Part time

14 days+

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Job summary

A public school district in Cambridge, Massachusetts is looking for an Extended Term Substitute, Math Interventionist to support grade 6-8 mathematics. This role involves working collaboratively to provide targeted instruction and support to a diverse group of learners. The ideal candidate will have a strong background in mathematics teaching, experience with differentiated instruction, and a commitment to equity in education. Application materials needed include a resume and cover letter. Position starts in September 2025.

Qualifications

Experience promoting high achievement in the classroom.
Strong knowledge of Common Core/MA Curriculum Framework for Mathematics.
Reflective with an ability to accept feedback.

Responsibilities

Support student learning of Gr. 6-8 Mathematics content.
Guide students in using mathematics software and technology.
Collaborate with team members to address student needs.

Skills

Mathematics teaching experience in middle grades

Differentiating math instruction

Writing lesson plans

Using a range of assessments

Strong classroom management skills

Excellent communication and interpersonal skills

Understanding of MTSS

Education

Bachelor’s degree from an accredited college or university

Master’s degree in Education (preferred)

Massachusetts Teacher Certification/Licensure in Mathematics Grades 5-8 (preferred)

Job description

Extended Term Substitute, Math Interventionist (Sept-Nov 2025)

Cambridge Public Schools, Cambridge Street Upper School - Cambridge, Massachusetts

Starting Date: Sep 1, 2025

Job Description

Position: Extended Term Substitute, Math Interventionist

Available September 2025 through no later than November 2025

Cambridge Street Upper School (CSUS) was founded in 2012 as a middle school serving grades 6‑8. CSUS endeavors to develop and sustain a vibrant and high‑functioning teaching and learning community that values social justice, affirms cultural identity, and promotes academic excellence for all. CSUS actively aspires to become a culturally proficient school reflecting equity and inclusion and affirming the rich cultural and racial diversity of our student body and their families. We are committed to challenging the opportunity gap and providing academic excellence for all.

The Opportunity : CSUS seeks a talented, energetic, and flexible educator to join us as an Extended Term Substitute (ETS) Mathematics Interventionist. This position is responsible for working with grade level teams to support classroom instruction and targeted math support. The ETS Mathematics Interventionist is a key team member in the school mathematics team, ensuring that students are provided differentiated and targeted math supports.

Key Responsibilities

Skillfully support student learning of Gr. 6‑8 Mathematics content and practice standards.
Empower a diverse group of learners through individualized and small group math instruction, guided by district curriculum maps and using research‑based resources recommended by the mathematics department and informed by the data.
Identify unique student needs and collaborate with team members to effectively address those needs and improve instructional practice.
Guide students in using mathematics software and other technology to support instruction, when appropriate.
Incorporate a variety of assessment tools and strategies in order to inform and modify instruction, as well as target intervention and enrichment needs.
Participate in team meetings with grade level colleagues as assigned.
Participate in district‑wide Interventionist meetings to collaborate and engage in professional learning.
Participate in school and department meetings.
Partner with families to include them in each student’s learning and development, guided by a profound understanding of the importance of this connection.
Support Cambridge Public Schools Strategic Objectives.
Perform other duties as assigned.

Your Skill Set

As the incoming ETS Math Interventionist you will possess many, though perhaps not all, of the following characteristics and qualifications:

Mathematics teaching experience in the middle grades with a proven track record of promoting high achievement in the classroom.
Experience differentiating math instruction for a range of learners, using techniques such as visual models, student discourse and opportunities to explain reasoning, instructional routines such as number talks, open‑ended problems with multiple solution paths, and strategies for increasing engagement.
Experience writing lesson plans with clear, attainable learning goals and aligned activities.
Experience using a range of assessments to analyze student learning and inform instruction.
Understanding of the developmental needs of elementary learners and strategies to meet those needs through the curriculum.
Ability to identify and build on students’ strengths and interests in order to support the development of a growth mindset in math learners.
Experience building computational fluency through conceptual understanding.
Strong classroom management skills.
Experience leading instruction in urban school settings.
Strong knowledge of Common Core/MA Curriculum Framework for Mathematics (Content and Practice Standards).
Excellent communication and interpersonal skills, with the ability to establish and maintain effective and collaborative working relationships with a diverse staff, student body and community.
Strong understanding of the Massachusetts Tiered System of Support (MTSS).
Strong work ethic, alongside a commitment to doing whatever it takes for students to excel; instructional flexibility in order to meet students’ needs using effective strategies.
Ability to be reflective and open to feedback.
Bachelor’s degree required from an accredited college or university; Master’s in Education strongly preferred.
Massachusetts Teacher Certification/Licensure in Mathematics Grades 5‑8 preferred.

How to Join Our Team

Please upload a resume and thoughtful cover letter, outlining how your skills, experience, and commitment to equity in education meet the qualifications of the position as well as stating how you heard about this opportunity.

At the Cambridge Public Schools, we are committed to cultivating an environment where diverse perspectives and backgrounds are embraced, acknowledging that a team reflecting diversity of race, color, ancestry, national origin, religion, age, gender, marital/domestic partner status, sexual orientation, gender identity, disability status, and veteran status allows us to serve our communities better. To that end, we welcome and encourage applicants to bring their authentic selves when considering employment opportunities within our school district.

Job Details

Job ID: 5218887

Application Deadline: Posted until filled

Job Type: Substitute

Job Requirements