Mathnasium - Lead Instructor

We are currently hiring for the 2026-2027 school year, starting August 2026.
About Mathnasium:
At Mathnasium, we are passionate about helping students from kindergarten through middle school unlock their potential, build confidence, and excel in math. We provide a fun, supportive learning environment where students develop strong mathematical thinking skills and achieve academic success through the Mathnasium Method™.
Position Overview:
We are seeking a dynamic, enthusiastic, and dependable Lead Instructor to join our Mathnasium team. As a Lead Instructor, you will play a key role in providing exceptional math instruction while serving as an instructional leader within our learning center. In addition to delivering individualized instruction using the Mathnasium Method™, you will coach and mentor instructors, model effective teaching practices, and help maintain a positive, collaborative learning environment.
Lead Instructors are expected to foster both conceptual understanding and procedural fluency while adapting instruction to meet each student's individual learning needs. This role is ideal for individuals who are passionate about education, enjoy mentoring others, and are looking to develop leadership skills while making a meaningful impact on students' lives.
Key Responsibilities:
Deliver individualized math instruction using the Mathnasium Method™, focusing on conceptual understanding, procedural fluency, and student growth
Support students from kindergarten through middle school with varying skill levels and learning needs
Guide students through personalized learning plans while tracking progress, celebrating achievements, and encouraging confidence and independence
Take ownership of student progress by monitoring performance, identifying areas for improvement, and supporting students in reaching their learning goals
Model effective teaching strategies while coaching, mentoring, and providing constructive feedback to instructors
Assist with instructor onboarding, training, and maintaining consistent instructional standards
Support student behavior management and foster a positive, engaging learning environment
Build positive relationships with students and families through professional communication and exceptional customer service
Communicate student progress and instructional recommendations with parents and guardians
Collaborate with fellow instructors and Center Leadership to ensure a consistent, high-quality student experience
Partner with Center Leadership to support daily center operations, scheduling needs, and overall center success
Assist with student assessments, instructional planning, and other center responsibilities as needed
Help maintain a clean, organized, and welcoming learning environment
Qualifications:
Required Qualifications
Within one year of earning your high school diploma
Strong arithmetic and Algebra I skills (candidates must demonstrate math proficiency through a Math Literacy Test)
Excellent communication and interpersonal skills
Passion for education and helping students succeed in math
Ability to work with students of varying ages and abilities
Strong organizational skills and attention to detail
Ability to mentor, motivate, and collaborate with fellow instructors
Dependable, professional, and reliable
Preferred Qualifications
Previous experience teaching or tutoring math
Experience mentoring, coaching, supervising, or training others
Ability to teach through Geometry (Algebra II is a plus)
Pursuing a degree in education, mathematics, science, engineering, or a related field
Bilingual proficiency in Mandarin is preferred; Spanish is also a plus, but not required
Schedule:
Qualified applicants must be available to work five days per week (Monday–Thursday, Friday or Saturday), 7 hours per day, approximately 30 - 35 hours per week, primarily during afternoon and evening hours.
Mathnasium Fall Center Hours:
Monday–Thursday: 3:15 PM–6:45 PM
Friday: 2:00 PM–5:45 PM
Saturday: 10:00 AM–1:30 PM
Please note: Team members are expected to arrive before instructional hours begin to assist with center opening and preparation, and remain after the last instructional session to support student dismissal, center closing, and other end-of-day responsibilities. Scheduled shifts may begin before and end after the posted instructional hours.
This is an in-person, part-time position located in San Marino, CA.
Why Join Us?
Receive advanced training and ongoing professional development in the Mathnasium Method™
Develop your instructional, coaching, and leadership skills in a supportive environment
Gain valuable experience mentoring instructors and supporting daily center operations
Make a meaningful difference by helping students build confidence and succeed in math
Work alongside a fun, collaborative, and passionate team
Performance-based bonuses
Opportunities for advancement into Assistant Center Director, Center Director, and future leadership roles
Ideal Candidate
Passionate about education and student success
Positive, patient, and encouraging
Confident leading by example
Strong communicators and collaborative team players
Dependable, organized, and professional
Comfortable coaching others and providing constructive feedback
Adaptable and able to thrive in a fast-paced learning environment
Committed to continuous learning and professional growth
If you're passionate about math, enjoy helping students succeed, and are looking for an opportunity to inspire others while growing as a leader, we'd love to hear from you!
Mathnasium is an Equal Opportunity Employer and a drug-free workplace.
Please check your email regularly after applying, as our team will follow up with next steps. Be sure to check your Spam or Promotions folder, as our emails may occasionally be filtered there.

Employment type
Part-Time

Work arrangement
No