Substitute Teacher

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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.

Ascension Catholic School is seeking a dependable, flexible, and student-centered Substitute Teacher to support classroom instruction and maintain a positive learning environment for students in kindergarten through eighth grade (K–8). The ideal candidate will follow lesson plans provided by classroom teachers, ensure continuity of learning, and foster a structured, respectful, and engaging classroom environment that reflects the mission and values of Catholic education.

• Follow lesson plans and instructional materials provided by the classroom teacher to ensure continuity of instruction and student learning.
• Maintain a structured, positive, and respectful classroom environment that promotes student engagement and academic success.
• Support established classroom routines, school policies, and behavioral expectations.
• Work effectively with students across multiple grade levels (K–8), adapting support to meet a variety of learning needs.
• Supervise students and ensure their safety and well-being throughout the school day, including during classroom activities, transitions, and other assigned duties.
• Collaborate professionally with classroom teachers, specialists, administrators, and other school staff to support student success.
• Communicate clearly and professionally with school administrators regarding classroom needs, student concerns, and relevant updates.
• Model respectful behavior, integrity, and professionalism while upholding the Catholic faith, values, and mission of Ascension Catholic School.
• Maintain confidentiality and exercise sound judgment when working with students, families, and school personnel.

• Prior teaching, substitute teaching, or relevant educational coursework preferred.
• Ability to manage classrooms and support instruction across multiple grade levels, kindergarten through eighth grade.
• Strong communication, classroom management, organizational, and interpersonal skills.
• Flexibility, adaptability, and the ability to respond effectively to changing classroom needs.
• Commitment to student safety, academic growth, and the mission and values of Catholic education.
• Ability to work collaboratively with faculty, staff, and school leadership in a professional and supportive manner

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.

We are a unique community—diverse in our talent, but unified in our drive to create together, face challenges together and grow together. Our values push us to empower, propel and inspire new ways of turning possibilities into realities. Our competencies define the behaviors that guide who we are, how we are inspired and how we inspire of others to succeed.

Work/life balance is so important to the archdiocese. After all, our business is about making life easier and better—and we want that for you and your career just as much as our consumers and their day-to-day lives. That’s why we offer flexible working times, remote working options, generous paid vacation increasing with service, and personal leaves of absence.

As well as being able to make the most of life at home, you’ll also be able to contribute to the Archdiocese sponsored volunteer events. You can discover more about who we’re working with near you, and you can always ask us more about this at events and interviews—we love to see how passionate our people are about giving back.