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Career Opportunities

Old St. Mary's School is a National Blue Ribbon PK-8 Catholic School located in the vibrant South Loop of Chicago.  We are seeking motivated, collaborative individuals to join the OSM Team.  As positions become available, they will be posted here.  Instructional positions will also be posted on the Archdiocese HR website.  OSM does not discriminate against qualified applicants on the basis of race, color, gender, age, creed, national or ethnic origin, sexual identity, religion or disability.

OSM is now interviewing for the following positions. 

Student Support Teachers

Extended Day and Substitute Teachers

For more information, please click the link above for the Archdiocese HR Website.​

Student Support Teachers
Status: Part-time

Old St. Mary's School in Chicago's South Loop neighborhood is seeking a Student Support Teacher for the 2022-2023 school year. The teacher will work with individual and small groups of students to provide targeted support in ELA and math skills. The teacher may also work with students who have IEP/504/Student Support Plans to provide the necessary services and support. 

The teacher will work closely with the other members of the Student Support team and the 3rd through 5th grade classroom teachers to identify and meet the needs of all students. Experience with Lucy Calkins Reading and Writing Workshops curriculum and Envision Math curriculum is preferred. 

Interested applicants should complete an online application through AppliTrack, as well as send a current resume and cover letter to the Principal, April Greer

Extended Day and Substitute TeachersStatus: Part-time

OSM is seeking candidates to serve as Extended Day and daily substitutes for students in grades PK-8th grade.  Requirements include a bachelor's degree and completion of all Archdiocese compliance requirements.  Candidates should email

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