Mathnasium - Lead Instructor

U10 Corporation • South Pasadena, CA

10d • Onsite

About The Position

Mathnasium is hiring a Lead Instructor for the 2026–2027 school year, starting in August 2026. The Lead Instructor delivers individualized math instruction to kindergarten through middle-school students using the Mathnasium Method™, adapting teaching to students’ learning needs and fostering conceptual understanding, procedural fluency, confidence, and independence. The role also serves as an instructional leadership position: coaching and mentoring instructors, modeling effective practices, supporting onboarding and training, and helping maintain consistent instructional standards and a positive learning environment.

The Lead Instructor works with students and families, tracks student progress, communicates recommendations, and collaborates with instructors and Center Leadership. The position also supports assessments, instructional planning, scheduling, daily center operations, and maintaining an organized and welcoming center. It is an in-person, part-time position in South Pasadena, California. Applicants must be available five days per week—Monday through Thursday and Friday or Saturday—for approximately 30–35 hours per week, primarily in the afternoons and evenings. Shifts include time before and after instructional hours for center preparation, dismissal, and closing responsibilities.

Requirements

• Be within one year of earning a high school diploma.
• Demonstrate strong arithmetic and Algebra I skills by passing a Math Literacy Test.
• Have excellent communication and interpersonal skills.
• Have a passion for education and helping students succeed in math.
• Be able to work with students of varying ages and abilities.
• Have strong organizational skills and attention to detail.
• Be able to mentor, motivate, and collaborate with fellow instructors.
• Be dependable, professional, and reliable.
• Be available five days per week (Monday–Thursday and Friday or Saturday), approximately 30–35 hours per week, primarily during afternoon and evening hours.
• Work in person at the South Pasadena, California center.

Nice To Haves

• 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.
• Mandarin proficiency preferred; Spanish proficiency is also a plus.

Responsibilities

• Deliver individualized math instruction using the Mathnasium Method™, emphasizing conceptual understanding, procedural fluency, and student growth.
• Support kindergarten through middle-school students with varying skill levels and learning needs.
• Guide students through personalized learning plans, track progress, celebrate achievements, and encourage confidence and independence.
• Monitor student performance, identify areas for improvement, and support students in reaching learning goals.
• Model effective teaching strategies and coach, mentor, and provide constructive feedback to instructors.
• Assist with instructor onboarding and training, and help maintain 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 customer service.
• Communicate student progress and instructional recommendations to parents and guardians.
• Collaborate with instructors and Center Leadership to provide a consistent, high-quality student experience.
• Partner with Center Leadership on 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.
• Arrive before instructional hours to assist with opening and preparation, and remain after the last session for dismissal, closing, and end-of-day responsibilities.

Benefits

• Performance-based bonuses
• Advanced training and ongoing professional development in the Mathnasium Method™
• Opportunities to develop instructional, coaching, and leadership skills
• Opportunities for advancement into Assistant Center Director, Center Director, and future leadership roles

What This Job Offers

• Job Type: Part-time
• Career Level: Entry Level
• Education Level: High school or GED