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

Cambridge Public Schools•Cambridge, MA

About The Position

The 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 that reflects equity and inclusion and affirms 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 Cambridge Street Upper School 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.

Requirements

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 to 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
Massachusetts Teacher Certification/Licensure in Mathematics Grades 5-8 preferred.

Nice To Haves

Master’s in Education strongly preferred.

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.