Lead Third Grade Teacher

Marin Horizon School, founded in 1977, provides a challenging and robust academic program combined with character-enhancing life skills. Located in Mill Valley, CA, the school serves about 300 students from toddler through grade eight and is dedicated to developing each student’s confident voice through creative, active learning.

About the role

Marin Horizon School is seeking an experienced and dedicated Third Grade Lead Teacher to join our Lower School faculty. The Lead Teacher will design and deliver engaging, standards-aligned curriculum across Language Arts (using Fundations for phonics), Math (using Bridges), and Social Studies, while fostering a warm, inclusive, and academically rigorous classroom community.

This role requires a teacher who is flexible, relationship-centered, reflective, and able to create safe and engaging environments for a wide range of learners. Strong communication, collaboration, planning, and classroom leadership skills are essential.

Responsibilities

• Design and deliver engaging, differentiated curriculum in Language Arts, Bridges Mathematics, and Social Studies
• Create a classroom environment that supports the academic, social, and emotional growth of all students
• Plan and implement lessons that reflect best practices in elementary education and align with the school's mission and values
• Assess student progress regularly and communicate effectively with families regarding academic and social-emotional development
• Mentor and support the professional growth of the Third Grade Associate Teacher, fostering a collaborative classroom partnership
• Collaborate closely with co-teachers, learning specialists, and grade-level colleagues to ensure a cohesive educational experience
• Participate actively in school community life, including faculty meetings, professional development, curriculum planning, and school events
• Build strong, respectful relationships with students, families, and colleagues
• Maintain thoughtful, consistent classroom management practices, ideally implementing Responsive Classroom principles

Qualifications

• 3–5 years of teaching experience preferred; experience in an independent school setting strongly preferred
• Bachelor's degree required; Master's degree preferred
• Demonstrated experience designing and delivering curriculum in Language Arts, Math, and Social Studies at the elementary level
• Strong classroom management skills and a commitment to fostering an inclusive, supportive learning environment
• Excellent communication and collaboration skills with students, families, and colleagues
• Willingness to engage in and support our outdoor education program

Preferred Experience

Candidates with training or classroom experience in any of the following are strongly encouraged to apply:

• Fundations (structured literacy/phonics)
• The Writing Revolution (The Hochman Method of Writing Instruction)
• Bridges in Mathematics
• Responsive Classroom
• Design of interdisciplinary/transdisciplinary units

Pay

The salary range for this full-time, exempt position is $75,000 - $95,000, commensurate with experience.

Benefits

• Health insurance
• Retirement plan
• Paid time off
• Professional development opportunities