Sunnyvale, California
Posted: 20-Apr-26
Location: San Rafael, California
Type: Part Time
Part-Time 8th Grade Math Teacher - Algebra & Geometry
Beginning August 2026
Mark Day School seeks a collaborative, innovative educator with a passion for teaching math to middle school students. Join us and teach in a community characterized by academic excellence, student-centered teaching methods, close collaboration between colleagues, a block schedule, a 1:1 laptop program, and a commitment to diversity, equity, inclusion, and belonging. Teachers challenge, nurture, and engage all learners by mixing traditional best practices with progressive, student-centered approaches such as competency-based assessment, project-based learning, student-centered inquiry, and differentiated instruction. The successful applicant for this position will help advance the school’s mission with positive energy, creativity, dedication to a diverse and equitable community, love for children, a strong work ethic, and a desire to collaborate in partnership with the wider school community.
Students complete Algebra 1 alongside mathematical thinking skills over a two-year program in grades seven and eight. We offer leveled Algebra sections, including intentional differentiation and an enriched pathway for extra challenge offered in every math class, providing flexible access to extended challenge opportunities to all students. 8th graders also have the option to enroll in Geometry as a second mathematics course for additional acceleration as they prepare for high school.
Graduates leave Mark Day School well prepared for advanced coursework in their first year at area independent and public high schools. Students learn to apply creative mathematical problem-solving in both theoretical and real-world contexts, persevere in solving novel problems by employing a variety of mathematical tools and strategies, communicate and critique mathematical thinking and reasoning, and collect and analyze data.
Opportunities and Responsibilities
- Teach one section of 8th Grade Algebra and one section of Geometry. Geometry is a blended model of independent study and in-person classes.
- Challenge all students with high academic and behavioral expectations while maintaining a climate of responsibility, safety, kindness, enthusiasm, and fun.
- Differentiate instruction using the Enriched Pathway to challenge every learner.
- Provide constructive, timely feedback that fosters a growth mindset.
- Model personal standards of excellence: warmth, clarity of expectations, consistency, and accountability.
- Participate fully in a learning community committed to diversity, equity, inclusion, and belonging.
- Employ equitable and culturally responsive teaching practices.
- Collaborate regularly with 7th and 8th grade math colleagues.
- Engage in ongoing professional development.
- Form supportive and responsive relationships with students and families.
- Build a strong, positive classroom community in which students advocate for themselves and others.
- Use school technologies to enhance student learning, faculty collaboration, and responsive communication.
- Work with learning specialists, counselors, and parents when necessary to design differentiated programs for students who require specialized support.
- Collaborate with colleagues to carry forward major project initiatives in the cross-disciplinary literacies as well as enhance the students’ overall experience.
- Observe, evaluate, encourage, and monitor students’ academic and social development and progress.
- Communicate proactively and regularly with students, parents, and colleagues regarding students’ progress and needs.
Additional Responsibilities Include:
- Back to School Night
- Admission tours
- Committee work
- Weekly faculty meetings
- Recess supervision
Education, Experience, and Qualifications
- Bachelor’s degree or higher from an accredited institution
- Relevant teaching experience with a minimum of two years preferred
- Relevant subject area knowledge
- Proven track record of working effectively to advance diversity, equity, inclusion, and belonging
- Strong skills in curriculum design, differentiated instruction, initiative, follow-through, organization, collaboration, and communication
Compensation and Salary Range
Mark Day School places faculty on a published internal salary scale with steps based on years of experience in education. The salary range for this part-time position is $22,500-$47,400, depending on experience.
More About Mark Day School
Mark Day School is an independent, all-gender, K-8 school located in the Bay Area in San Rafael, CA, with an enrollment of 380 students. Innovative, inclusive, and full of heart, Mark Day School unites an enriched, challenging academic program with a kind and inclusive community. The school nurtures a love of learning, engagement in the community, and development of compassion and an ethical framework. Students learn and practice the intellectual, social, and emotional skills they will apply to the unique challenges and opportunities of their time; graduates stand out not only for their intellectual curiosity and pursuit of ideas but also for their joy of learning and a deep sense of responsibility to be active, engaged citizens.
Mark Day School has established a consistent practice of thoughtful innovation in its curricular program, focusing on current-century skills and concepts including four cross-disciplinary literacies: cross-cultural literacy, media and information literacy, eco-literacy, and social and emotional literacy. Highlights include the award-winning Media Literacy program; well-established local and global partnerships with Adopt-a-Family, the Ritter Center, Cedars, LITA, eSibonisweni School and Kliptown Youth Program in South Africa, Ren Ai School in Taiwan, and Beijing Experimental Primary School #2 in China, among others; Boxlight and FrontRow technology in every classroom, with a one-to-one laptop program beginning in sixth grade; Mandarin and Spanish language beginning in kindergarten; an integrated Social and Emotional Learning program; a commitment to differentiation across the school; and more.
Mark Day School is a vibrant and diverse community, and all community members continue to work towards the furthering of an inclusive and supportive school. Mark Day School is an equal-opportunity employer committed to excellence through diversity and multiculturalism. Mark Day School's salary and benefits are very competitive by both NAIS and regional standards. For more information about Mark Day School, please visit our website (www.markdayschool.org).
Interested candidates should visit our website and send a letter of interest and resume via email to usresumes@markdayschool.org
