Acera School

5 Lowell Avenue, Winchester, MA 01890 (8 miles north of Boston)

For the 2026-2027 school year, we’re looking for a Part-Time Math Teacher with experience teaching elementary math to join our progressive, student-centered community at Acera. This educator will bring a deep understanding of mathematical thinking and a commitment to helping students develop conceptual understanding, problem-solving skills, and confidence in mathematics.

At Acera, Math is not about rote procedures or memorization - it is about making sense of ideas, building connections, and developing flexible, creative thinkers. Our Math program emphasizes deep understanding, rich problem-solving, and student-centered exploration. The Fourth Grade Math teacher will play a key role in helping students transition into more abstract mathematical reasoning while maintaining curiosity, agency, and joy in learning.

Salary Range: $11,500 to $13,000 per year

Position Type: School year, part-time

Class Days and Time: Mon, Tue, Thu, and Fri. 11:00 AM to 12:00 PM

Additional Hours: Various and negotiable, to include planning, prep, reporting, and collaboration

Start Date: August 2026

• Design and teach engaging 4th Grade math lessons grounded in conceptual understanding, problemsolving, and realworld application
• Support students in developing a deep understanding of core topics such as operations, decimals, fractions, geometry, measurement and data, ensuring students understand the “why” behind the math
• Facilitate studentcentered discussions that encourage multiple strategies, mathematical discourse, and critical thinking
• Incorporate rich investigations, tasks, and openended problems that promote deep thinking and engagement
• Differentiate instruction to meet a range of learners, including those who may need additional support or greater challenge
• Use formative assessment to monitor student understanding and adjust instruction responsively
• Implement and refine curriculum that aligns with Acera’s constructivist, inquirybased approach to mathematics
• Continuously reflect on and evolve curriculum to meet the needs of students and reflect best practices in math education
• Collaborate with colleagues across grade levels to ensure coherence and alignment within the math program
• Communicate regularly with families about student progress and growth
• Complete Progress Report comments twice a year
• Participate in Parent/Teacher Conferences once a year
Qualifications
• Experience teaching 4th Grade math or similar elementary Math courses
• Strong content knowledge in foundational Mathematics
• Experience working with elementary students
• Bachelor’s degree required; degree in Mathematics, education, or a related field preferred
• Experience with inquirybased, constructivist, or problembased Math instruction is highly desirable
• Ability to differentiate instruction to support a wide range of learners
• A growth mindset and enthusiasm for ongoing learning and professional growth
Application

Please submit a resume, along with a cover letter which may include your approach to differentiated instruction, classroom management, and any relevant experience or training in teaching Math and/or gifted education.