Teaching Assistant (Full & Part-Time)

New School Montessori; Lancaster (Lancaster County); On-site; USD 19,000 - 25,000; Part time

Job summary

New School Montessori in Lancaster, PA is seeking a part-time Teaching Assistant to support lead teachers in Montessori-informed learning and daily classroom routines. This on-site role focuses on guiding children, preparing spaces, and maintaining a safe, respectful environment.

You will assist with small-group activities, supervise transitions and outdoor play, and help with materials organization, record-keeping, and school events.

Qualifications

• Provide effective assistant teaching support and help implement lesson plans.
• Communicate professionally with children, families, and colleagues.
• Background or interest in education or Montessori philosophy.
• Be reliable, patient, and collaborative in a child-centered environment.
• Maintain a safe, inclusive, and respectful classroom aligned with school values.
• High school diploma required; education coursework or degree preferred.

Responsibilities

• Assist with small group work.
• Supervise students during transitions and outdoor play.
• Prepare and maintain classrooms and outdoor spaces.
• Support record-keeping and materials organization.
• Collaborate on classroom projects and school events.

Skills

Assistant teaching

Communication skills

Education background

Reliability and patience

Montessori environment

Education

High school diploma

Education coursework preferred

Montessori background (preferred)

Job description

The Teaching Assistant is a part-time, on-site role based in Lancaster, PA. This team member supports lead teachers in implementing Montessori-informed learning experiences, helping to prepare and maintain classrooms and outdoor spaces for daily activities. The Teaching Assistant works directly with children to guide them through lessons, reinforce classroom routines, and provide individualized attention as needed. Responsibilities include assisting with small group work, supervising students during transitions and outdoor play, and contributing to a safe, respectful, and inclusive environment. The role also involves communicating with teaching staff, supporting record-keeping and materials organization, and collaborating on classroom projects and school events.

Qualifications

• Ability to provide effective assistant teaching support, including helping implement lesson plans and reinforcing classroom routines.
• Strong communication skills to interact professionally with children, families, and colleagues.
• Background or interest in education, child development, or Montessori philosophy.
• Reliability, patience, and a collaborative approach in a child-centered environment.
• Ability to maintain a safe, inclusive, and respectful classroom consistent with school values.
• High school diploma required; coursework or degree in Education or related field is preferred.