Classroom Aide

The Archdiocese of St. Louis strives to teach and share our faith, serve others, and foster unity throughout the St. Louis area. Once a part of Kenrick‑Glennon Seminary's campus, the Cardinal Rigali Center in Shrewsbury, MO is today the headquarters and curia (governing body) for the Archdiocese of St. Louis.

St. Justin Martyr Catholic School is seeking a caring, patient, and dependable Classroom Aide to support teachers and students within our faith‑centered learning environment. The ideal candidate will assist with daily classroom operations, provide individual and small‑group support, and help create a positive, structured environment that reflects the values of our Catholic community.

• Support the classroom teacher in implementing lessons, activities, and routines aligned with school and Archdiocesan expectations.
• Work with individuals or small groups of students to reinforce learning, practice skills, and support academic and behavioral growth.
• Assist in maintaining a safe, orderly, and respectful classroom environment that reflects Catholic values.
• Help prepare instructional materials, organize supplies, and set up learning activities.
• Supervise students during classroom work, transitions, recess, lunch, and other school activities as assigned.
• Provide positive encouragement and guidance to students to support social‑emotional development.
• Assist with classroom management using consistent, developmentally appropriate strategies.
• Support teachers with recordkeeping tasks such as organizing student work, monitoring progress, or documenting observations.
• Communicate effectively and professionally with teachers, staff, and students.
• Attend staff meetings, trainings, and school events as requested.
• Maintain confidentiality and uphold the school’s mission and Catholic identity in all interactions.

• High school diploma required; some college or experience in education or childcare preferred.
• Commitment to the mission and values of Catholic education; willingness to model Christian behavior.
• Ability to work collaboratively with teachers and school staff.
• Strong communication, organization, and interpersonal skills.
• Patience, flexibility, and a genuine desire to support student learning and well‑being.
• Ability to follow teacher direction while also taking initiative when appropriate.

St. Justin Martyr Catholic School provides a nurturing, faith‑filled environment where every child is valued and encouraged to grow academically, socially, and spiritually. Our faculty and staff work together to ensure students experience the joy of learning within a supportive Catholic community.

The Archdiocese of St. Louis is an Equal Opportunity Employer and prohibits discrimination and harassment of any kind. All employment decisions are based on business needs, job requirements and individual qualifications without regard to race, color, religion, gender, national origin, age, marital, parental, veteran or disability status.

Pre‑Employment Screening:
All candidates receiving an employment offer must submit a pre‑employment screening. The screening will include criminal background check, Family Care Safety Registration, drug screen, employment and educational licensure/certification verification, health screening, and any other screenings deemed necessary for employment. Any offer would be contingent upon successful completion of any required screening.